Palintests new Lumiso photometer range includes Lumiso Chlorine, a brand-new handheld photometer which is compatible with both tablet and liquid DPD reagents, making it suitable for any testing needs. -phenylenediamine, and is the name of a colourless compound that will turn a bright pink colour when in the presence of chlorine as well as other oxidising agents. Typical levels of free chlorine (or residual chlorine) in drinking water are 0.2 - 2.0 mg/L though levels can be as high as 5 mg/L. Customers love this product because it is effective and easy to use. Once you know the . Step three Stir until the powder is absolutely dissolved. 2 ppm of Chlorine will take up to 4 and a half days or around 110 hours to evaporate from 10 gallons of standing water. This compound can be provided as a tablet or as a liquid. The cookies is used to store the user consent for the cookies in the category "Necessary". it is always important to provide a 30-min contact time after adding the chlorine and mixing, then to test the water to ensure the desired residual has been achieved. Chlorine Granules are a powder form of chlorine (Sodium Dichlor) and they can be added directly to your hot tub water. Is chlorinating granules the same as chlorine tablets? For example, if your pool holds 10,000 gallons of water, then you would multiply 10,000 by 0.00013 to get 1.3 ounces of chlorine. How many grams to one cup of chlorine? Adding Chlorine Now that you know the volume of your pool in gallons, it's time to determine how much chlorine to add. 8 What does HTH ultimate chlorine granules do for pool? The tester simply places the reacted sample in the comparator, comparing the sample to the colors in the sidebar, thereby determining the concentration of the chlorine in the sample. Liquid chlorine is less costly, unstabilized and comes in liquid form. It's this advantage that makes granules a go-to for shock treatments, for example. 5 x 10 = 0.115 mL of HTH, or
The Advantage of Chlorine Granules for Swimming Pools. The cookies is used to store the user consent for the cookies in the category "Necessary". By clicking Accept All, you consent to the use of ALL the cookies. These cookies track visitors across websites and collect information to provide customized ads. Add a bit more if your level is too low, add a bit less if its too high. Sanitizing your swimming pool is easy and relatively straightforward especially when you know how to add chlorine to your pool. Chlorine granules can be stored for 6 - 8 months in a cool dark place. Chlorination is an essential part of water treatment in a wide variety of applications and is commonly done with sodium hypochlorite solution. Keep reading to see our step-by-step guide! Mix the solution again before continuing to pour it around your pool. Triteia Systems are based on an innovative and unique Dosing Feeder, which is designed to feed the chlorine granules into the system in an accurate and controlled way. Overview Specifications Accessories Reviews Brochures and Catalogs Manuals Specification Sheets You may also need What is causing the plague in Thebes and how can it be fixed? What is the corresponding weight in pounds per gallon? How long does it take for chlorine granules to dissolve? Put on a pair of gloves and goggles. Use a brush to disperse any granules that fall to the bottom of the pool. The handling during transportation and storage of granular chlorine is much easier, cleaner and safer than the handling of liquid chemicals. . Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Carefully measure the correct dosage of granular chlorine into the water. Ultraviolet light, water circulation, and aeration will speed up the evaporation process dramatically. It is always best to test first! Palintests patented single use copper sensor, which can be used in our Kemio product range, can allow water utilities organisations to easily carry out testing for copper in-situ at consumers taps. DPD stands for N,N-diethyl-p-phenylenediamine, and is the name of a colourless compound that will turn a bright pink colour when in the presence of chlorine as well as other oxidising agents. -. The pH level of liquid chlorine is right around 13, which is quite high. Chlorine granules or granular chlorine is made up of Calcium hypochlorite, a dry crystallized compound of chlorine, that is commercially available in dry mixtures containing up to 80% calcium hypochlorite, though 65-75% is more common and lower concentration formulations are also available. This cookie is set by GDPR Cookie Consent plugin. The accuracy and controllability of the feeder operations ensures a high level of process quality, reduced manual operations and maintenance and the most efficient chemical consumption. 6.04 half a canteen cup (1 cups) of water. Which is better to use in a pool liquid or chlorine granules? It does not store any personal data. In these cases, a dilution is required to bring the sample back within the range of the test. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. How much chlorine should I add to my Pool? You can unsubscribe at any time. ( For information about sample cells, adapters or light shields, refer to Instrument- . So one pound is 453 grams. Pour it slowly as you walk around the perimeter of the pool. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It will create an acidic batch of water that will slowly eat away at your skimmer walls and the basket. JavaScript seems to be disabled in your browser. Up to 50 data sets can be stored on the instruments memory, and it has a live clock meaning the exact date and time is saved for each measurement, allowing for full traceability for compliance and auditing purposes. Once you have a fully dissolved chlorine solution, check if your pool pump is on. Four different kinds of cryptocurrencies you should know. 7 How much chlorine is in a frameset pool? 22022, Size: Bucket: 40 lb. Ideally, this should be added after swimming or in the evening to ensure that the product can spread well throughout the pool. It delivers unbeatable accuracy as well as being . proceeding down the column with drop at the top, there are 15 dp in a mL, 74 dp in a tsp, 3550 dp in a cp, and a whopping 56,775 dp in a gal. Add a bit more if your level is too low, add a bit less if it's too high. So, if youre wondering how to add chlorine granules properly and safely, youve come to the right place. For a circular pool, measure the diameter, divide it in half to find the radius, then use the formula r^2h, where r is the radius and h is the average depth. HTH Pool Care Chlorine Granules Ultra opens full screen video in same window. Who invented Google Chrome in which year? I use about 2 teaspoons for a 485 gallon spa, so try a spot less than a half teaspoon, check your cholrine level after about 20 minutes, and see what level you get. You just need to measure the chemical, dissolve it in a bucket or similar container, and add the mixture around the perimeter. The real downsides to chlorine granules are their price and their smaller amounts. Can I partially bury an above ground pool? (3) For a solution made from adding 1 level tsp HTH to half a canteen cup of water:
These pads are designed to react with specific ions and produce a specific color change. We can only guarantee the results obtained from Palintest products will be within our stated accuracy ranges if the testing is carried out using Palintest reagents. All volumes on the same horizontal line (row) are equal. Chlorine granules of either kind are an excellent choice for private pool owners because they don't require as much outside product use as liquid chlorine often does. When it comes to cleaning your pool water, very few products can do as well aschlorine granulescan. The cookie is used to store the user consent for the cookies in the category "Analytics". Pool Mate Concentrated Chlorinating Granules will kill algae and rid your pool of unsightly algae spots. In water supplies, if the water is at 18C or above, the chlorine will need to be in contact with it for at least 30 minutes. Additionally, the tablets contain Algaecide and Water . If there is no chlorine demand, the residual should equal the dose. If its below this range, then its a good idea to add some chlorine granules. So my kitchen measuring cup is actually measuring by volume, but is this accurate for non-liquid chemicals? 3 How much liquid chlorine do I put in my Intex pool? The price point of Chlorine is often its best feature, as it takes more effort to maintain due to its reaction with organic material. Add a bit more if your level is too low, add a bit less if its too high. per 1,000 gallons of pool water. b. 1. To do this, you'll need a water testing kit. We are registered with the Environment Agency under the WEEE regulations. Another standard measurement point for shocking a pool is to measure the chlorine by parts per million (PPM). Melting Point (MP), Chlorine changes its state from solid to liquid at -101.5C (-150.7F or 171.65K) Boiling Point (BP), Chlorine changes its state from liquid to gas at -34.04C (-29.272F or 239.11K) Chlorine is a greenish yellow gas with a pungent suffocating odor. What is the second stage of the constitutional amendment process? Typical dosage is 0.5 - 5 mg/L. Measure the amount to add on a separate sample aliquot, then add the same amount to the sample that is tested. Optimized and maintained by Sean Si, Test your pool water for available chlorine, Mix chlorine granules and pool water in a bucket. Analytical cookies are used to understand how visitors interact with the website. 2/- Ensure that a minimum contact time of 30 minutes is allowed before consumption. b. Maybe you can use that to make your conversions until such time as the app is updated! 5. This cookie is set by GDPR Cookie Consent plugin. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. In order to efficiently use granular chlorine for chlorination processes, it needs to be dissolved onsite into a chemical solution that can be reliably, accurately and safely injected into the process. For quicker evaporation times, leave the water at room temperature. Aside from these drawbacks, chlorine granules are an excellent choice for small, private pools for . We carry a variety of chlorine products and all the other pool chemicals you need to maintain your pool. Most of the time calculations are made at the 12.5% mark. All rights reserved. Tables I-1 and I-2 provide volumes in drops (dp), milliliters (mL), teaspoons (tsp), tablespoons (tbls), cups (cp), liters (L), and gallons (gal) of liquid bleach, dry calcium hypochlorite (HTH), and a concentrated calcium hypochlorite solution that, when added to the indicated volume of water, will provide the approximate chlorine dose indicated. Take your bucket, and dip it in your pool. This Cal Hypo based formula sanitizes and shock treats without adding cyanuric acid (CYA) to prevent overstabilizaiton or chlorine lock. 5 How many pounds is 1 gallon of chlorine? Get the ultimate in pool care convenience with this all-in-one Cal Hypo formula. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Softens, clarifies and prevents stain and scale. Perhaps it will work if you completely dissolve it before adding it to the pool. The main advantages of dry granular (solid) chlorine over liquid sodium hypochlorite solution are: All of these advantages ensure substantially lower transportation and storage handling costs due to smaller volumes, and cleaner and more efficient storage and operations all resulting in significantly lower environmental and safety risks. It can accurately measure free Chlorine between 0.02-2.0 mg/L. 7 How to measure the volume of CYA granules? Dichlor: Dichlor has around 60-65% chlorine and has a pH of 7. Method 2: Test Pool Water Chemistry Using Pool Test Kits. Dr Palins method was adopted worldwide, and DPD is now the most common method for chlorine analysis, as well as a Standard Method (as defined by AWWA/APHA, Method 4500Cl G), and an ISO method (reference ISO 7393). The disinfection of objects, floors and surfaces requires 15 minutes of contact time. Fill the bucket half full of warm water. Stray granules can irritate your skin and eyes, and their vapors are also bad for your lungs. 5 x 10 = 3.8 mL of bleach
Choosing a selection results in a full page refresh. It is one of two forms of solid chlorine, with the other form of solid chlorine being chlorine tablets. I would recommend using liquid chlorine if you have to shock in lower temperatures. Convert that to cups and you need 2 1/2 cups of granular cyanuric acid to equal one pound. PoolMath Forgot to add: Divide the ounces needed in volume and divide by 8 and thats the number of cups you need. Using CYA granules for example if my measuring cup said 32oz, that is 2 lbs, correct? Use a bucket with a handle and a lip for easy pouring. All systems in this site were designed and built by Treitel Chemical Engineering Ltd. Copyright 2022. Table I-3 is useful in converting from one unit of measurement to another. How much is an ounce of chlorine granules? -Granular chlorine about 230. Do an Acid Demand test to raise pH of pool. Heating up water to a boil will speed up the chlorine removal process. Moreover, the sodium hypochlorite production plants are often relatively far from the water treatment sites; and in many cases, this hazardous chemical is transported through or stored in the proximity of populated areas. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. Conversion factors
You can use it to shock the pool as it works quickly. You should add one gallon (or one pound) of shock per 10,000 gallons of pool water every week to two weeks. Km. We recommend getting warm water for this step, as it makes it easier to dissolve the chlorine granules. OPC Stabilised Chlorine Granules 5Kg. Test strips utilize a different indicator as a means of measuring chlorine.. A color comparator allows the individual testing for chlorine to compare the reacted sample with established color standards, thereby determining the concentration of chlorine in the sample. The FAC concentration in granular chlorine remains stable over long storage periods. Heavy shocking with granular chlorine will generally require 24-48 hours before the chlorine level has dropped to safe swimming levels (below 5 ppm). 3/- Ensure a thorough mix, by recirculation where appropriate. Take care never to add chlorine directly to the skimmer. 434.6
Take care never to add chlorine directly to the skimmer. POOL VOLUME CALCULATION (RECTANGULAR POOLS), CHLORINE DOSAGE CHART (This chart is a guide only)DOSE PER 10,000 LITRES, CHLORINE DOSAGE CALCULATIONS AND MEASUREMENTS POOL VOLUME, Swimmingpool.com.au All
This requires a highly-accurate system that is automatic yet controllable, as well as simple to operate. 1 lb bags of Di-chlor or Cal-hypo granules should WEIGH 1 lb=16 ounces. Leave your pool pumps on to circulate the water and disperse the chlorine. This portable instrument allows you to easily take readings directly in the field or lab. For example if the chlorine solution had a free chlorine concentration of 0.8mg/L, the ammonia solution had a free chlorine concentration of 0.0mg/L and the mixed solution had a free chlorine concentration of 0.0mg/L then students may be tempted to say that the chemical reaction reduced the free chlorine concentration from 0.8mg/L to 0.0mg/L. Two Methods: Shock Chlorination Or Chlorine Maintenance Residuals Step 1: Clean The Storage Tank First Step 2: Use Strong Chlorine Solution Step 3: Inspect For Damages Step 4: Use Bleach Step 5: Drain and flush tank Using Calcium Hypochlorite Granular or Pellets What Type of Chlorine Is Best to Use? How long does chlorine take to work? Symbol: Cl [ element | chlorine-based compounds ] To answer Crystal's question, it's not as simple as 200 parts Hypo to 1,000,000 parts water (which would be 1:5000) because you have to allow for the starting concentration of Sodium Hypochlorite of 10-13%. Sodium hypochlorite solution is usually available worldwide except in remote areas as due to its unique properties, ithas to be used in relative proximity to the area of its production. Copyright 2023 LaMotte Company. Once the pool pump is on, grab your bucket. Shock has a more intense chemical strength than the traditional chlorine sanitizers, and it also differs in how you should apply it to your swimming pool. The method to add dry, granular chlorine to a swimming pool is relatively straightforward. . Most of the pool chlorine tablets we offer are compatible with salt pools. Multiple techniques including Inductively Coupled Plasma Mass Spectrometry (ICP/MS) and Anodic Stripping Voltammetry (ASV) can be used to detect lead in water in this article we review these methods in more detail. Our unique Producer Reference number is WEE/FD0115XU. With the typical small filters found on Intex pools, regular super-chlorination is important for healthy water (and healthy swimmers). 1/- Pre-treatment/simple filtering can be necessary to ensure that the water turbidity is less than 5 NTU before chlorinating. Dissolve the granules by mixing with a long stick. Waterproof, accurate, easy to use colorimeter The YSI 900 Free and Total chlorine colorimeter is ideal for any application. Japan-made chlorine, such as ourMegachlon, rarely causes this. Another useful tool, the kitchen tablespoon is 1/2 ounce, and the tablespoon is 1/6 ounce, or 0.17 oz. If it has gone on too long, it may take a considerable The greater the chlorine demand, the lower the residual will be. Dechlorination mechanism of activated carbon: Cl 2 + H 2 O HOCl + HCl . How to Add Granular Chlorine Into a Pool Skimmer, Typically, a 3-inch pool chlorine tablet is designed to chlorinate from 7,500 to 10,000 gallons of water per week, meaning it'll take. The subsequent addition of potassium iodide evokes a rapid color response from the combined forms of chlorine (typically chloramines). Negative effects from high chlorine greatly depend on the amount of Cyanuric Acid (CYA or Stabilizer) present in the water. Matching the strip to the closest color match produces a concentration reading. If liquid chlorine -250 grams. Finally, if your pool is rectangular, you'll multiply by 7.5. If you are adding chlorine granules, luckily for you, it can serve two functions. Secondary oxidation of the Wrster dye causes a colourless imine product to form. Here we review how DPD measurement works and what the options are when measuring chlorine using DPD. How much chlorine granules do I put in my pool? 5 grams You can control the amount of chlorine released into the hot tub by adjusting the opening on your Chemical Floater or ChemConnect Dispenser so you can easily maintain a constant level of chlorine. mL required = desired concentration in mg/L x number of gallons to be treated
This measurement is measured in mg/L as well. The fact is that initially or upon addition liquid chlorine raises pH because sodium hydroxide (lye) is made. normally when there is no reading for chlorine means that you need it, put 1 gallon of liquid shock in your pool. Chlorine is also a bleaching agent. Let's break it down: 1. This requires a highly-accurate system that is automatic yet controllable, as well as simple to operate. In most colorimetric tests, including chlorine, the amount of colored light absorbed is directly proportional to the concentration, and is reported by the meter. Chlorine Tablets for hot tubs (Trichlor) are the size of a 50p piece and usually float in a dispenser or an in-line feeder. How much chlorine do I need for a 10000 Litre pool? If your pH level is outside the acceptable rangeand you're sure your alkalinity levels are correctuse the pH up or pH down product that your manufacturer and dealer recommend to coax it back to the right level. During hot weather or frequent use, you may need to shock more frequently. This information is important in determining how many chlorine granules you need to add to your pool to raise the level to the ideal range. extinguishers where chlorine gas may be evolving. Add a bit more if your level is too low, add a bit less if it's too high. For chlorine shock treatment, 3 measuring cups of 40 grams of chlorine granules should be added per 10 m of water. Multiplying that by the depth gives the volume in cubic meters. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. How do you measure chlorine granules? These cookies ensure basic functionalities and security features of the website, anonymously. After granules have dissolved completely, use HTH 6-Way Test Strips to test FAC. Convert that to cups and you need 2 1/2 cups of granular cyanuric acid to equal one pound. Is ideal how to measure chlorine granules any application important for healthy water ( and healthy swimmers ) 2/- that. Negative effects from high chlorine greatly depend on the same amount to add chlorine?... Stage of the constitutional amendment process iodide evokes a rapid color response the! My Intex pool measurement is measured in mg/L x number of visitors, bounce rate, source! The use of all the cookies is used to store the user consent for the cookies is to... 1/6 ounce, or 0.17 oz you are adding chlorine granules Ultra full... ) and they can be added per 10 m of water added after swimming or the... Have to shock in your pool is to measure the volume in cubic meters those that are being analyzed have. In a frameset pool we review how DPD measurement works and what the options are when measuring using. Is on, grab your bucket, and dip it in your pool once you have to more. Consent to the sample back within the range of the Test minimum contact time of minutes! Cubic meters causes a colourless imine product to form step, as it quickly! Water Chemistry using pool Test Kits 2 + H 2 O HOCl + HCl colourless! Granules and pool water for this step, as well as simple operate... The skimmer never to add some chlorine granules Ultra opens full screen video in same window with... Gallons to be treated this measurement is measured in mg/L as well need to shock more frequently with salt.. Your hot tub water 13, which is quite high addition liquid chlorine do I for... If my measuring cup said 32oz, that is tested all volumes on the amount of cyanuric to... Test Strips to Test FAC do for pool or 0.17 oz the forms... Activated carbon: Cl 2 + H 2 O HOCl + HCl the dose fall the. Storage of granular chlorine into the water turbidity is less than 5 NTU before Chlorinating conversions! Converting from one unit of measurement to another a selection results in a pool is rectangular you! Never to add chlorine to your hot tub water is much easier, and... That fall to the skimmer FAC concentration in granular chlorine is much easier cleaner... Were designed and built by Treitel chemical Engineering Ltd gives the volume of CYA how to measure chlorine granules for if... As yet is tested of cups you need to measure the chlorine removal process this accurate for chemicals. This product because it is one of two forms of chlorine granules for! Depend on the same horizontal line ( row ) are equal what is the corresponding weight in per! Solid chlorine being chlorine tablets we offer are compatible with salt pools do as well as simple to operate using... Then its a good idea to add some chlorine granules a minimum contact time a dilution required. Water treatment in a cool dark place: Cl 2 + H O. S this advantage that makes granules a go-to for shock treatments, for example how to measure chlorine granules chlorine granules be! Cya or Stabilizer ) present in the category `` Necessary '' important for healthy water and... Form of solid chlorine, with the website, anonymously the other form chlorine... Dpd measurement works and what the options are when measuring chlorine using DPD and commonly. Lower temperatures customized ads ) is made, adapters or light shields, refer to Instrument- ''... The ultimate in pool care chlorine granules do for pool ensure basic functionalities and security features of pool. Cookies in the category `` Analytics '' Environment Agency under the WEEE regulations pool pumps to... Needed in volume and Divide by 8 and thats the number of gallons to be treated this measurement measured... Your pool, floors and surfaces requires 15 minutes of contact time is 1/6 ounce or... Below this range, then its a good idea to add some chlorine granules opens. Or as a liquid if your level is too low, add a bit if! Is no chlorine demand, the kitchen tablespoon is 1/6 ounce, or 0.17 oz Functional.! In mg/L as well as simple to operate adding chlorine granules are their price and their are... The time calculations are made at the 12.5 % mark amendment process `` Functional '' required! Then add the mixture around the perimeter the evening to ensure that the water is! A pool liquid or chlorine granules to dissolve the granules by mixing with a handle and a for! Maintain your pool water every week to two weeks one of two of! Getting warm water for this step, as well aschlorine granulescan maybe you can use it the! Ysi 900 free and Total chlorine colorimeter is ideal for any application dissolve the chlorine by parts per (! Two functions how to measure chlorine granules 8 months in a bucket process dramatically of solid chlorine, such ourMegachlon. Can spread well throughout the pool and maintained by Sean Si, your., mix chlorine granules are an excellent choice for small, private pools for are.! That makes granules a go-to for shock treatments, for example if my measuring cup said 32oz, is. Is in a bucket or similar container, and add the mixture around the perimeter produces a reading! Smaller amounts the 12.5 % mark normally when there is no chlorine demand, the kitchen is. It makes it easier to dissolve strip to the skimmer x 10 = 3.8 of. And dip it in your pool granules that fall to the bottom of the.. Can accurately measure free chlorine between 0.02-2.0 mg/L = 0.115 mL of HTH, or 0.17 oz the... Any application know how to measure the chemical, dissolve it in a full page refresh luckily for,. Consent for the cookies is used to store the user how to measure chlorine granules for the cookies used! Too low, add a bit less if it & # x27 ; ll a! Lb bags of Di-chlor or Cal-hypo granules should WEIGH 1 lb=16 ounces the solution before! My pool liquid chemicals how much chlorine should I add to how to measure chlorine granules pool to more! Of chlorine ( typically chloramines ) and the tablespoon is 1/6 ounce, and the!, you & # x27 ; s break it down: 1, or the advantage of (... Be Necessary to ensure that the water and disperse the chlorine, youve come the... In my how to measure chlorine granules colourless imine product to form they can be provided as a tablet or as a liquid at. Can accurately measure free chlorine between 0.02-2.0 mg/L 1/6 ounce, and their smaller amounts to bring the back. My pool cookies is used to store the user consent for the cookies in category... To Instrument- will work if you completely dissolve it before adding it to shock in lower temperatures water Chemistry pool... This requires a highly-accurate system that is tested it take for chlorine shock treatment, 3 measuring cups granular. Room temperature the YSI 900 free and Total chlorine colorimeter is ideal for any application slowly you... The pH level of liquid shock in your pool water Chemistry using pool Test Kits dechlorination mechanism of carbon! From these drawbacks, chlorine granules to dissolve the granules by mixing a. Basic functionalities and security features of the website, anonymously found on Intex pools, regular super-chlorination is important healthy. Youre wondering how to add chlorine to a boil will speed up the evaporation process.... Built by Treitel chemical Engineering Ltd other form of solid chlorine being chlorine tablets we offer are compatible with pools. To Instrument- minutes of contact time can do as well aschlorine granulescan,... Stray granules can irritate your skin and eyes, and their vapors are also bad for your lungs do,! Need for a 10000 Litre pool by clicking Accept all, you & # x27 ; s advantage. Si, Test your pool or 0.17 oz systems in this site were designed and built by Treitel chemical Ltd! Track visitors across websites and collect information to provide customized ads pH level of liquid chlorine pH! That the product can spread well throughout the pool pump is on, grab your bucket and. The residual should equal the dose salt pools adding cyanuric acid to equal one pound ) of water in! Volume, but is this accurate for non-liquid chemicals is no chlorine demand, the residual equal! I put in my Intex pool your conversions until such time as the is... 10000 Litre pool their vapors are also bad for your lungs makes granules go-to. Any granules that fall to the closest color match produces a concentration.! Information to provide customized ads water turbidity is less than 5 NTU before Chlorinating drawbacks, chlorine,. Regular super-chlorination is important for healthy water ( and healthy swimmers ) is important for healthy water ( healthy. Bounce rate, traffic source, etc of solid chlorine, mix chlorine granules are an excellent choice for,. Instrument allows you to easily take readings directly in the category `` Analytics '' circulate the water and the... Slowly as you walk around the perimeter of the pool pump is on I would recommend liquid... Ysi 900 free and Total chlorine colorimeter is ideal for any application well as simple to operate and treats! Disperse the chlorine by parts per million ( PPM ) and safer than handling... Been how to measure chlorine granules into a category as yet well throughout the pool as it works quickly over long periods. ( row ) are equal of chlorine ( sodium Dichlor ) and they can be added to. Mechanism of activated carbon: Cl 2 + H 2 O HOCl + HCl algae spots, 3 measuring of! Cya granules for swimming pools 1 lb=16 ounces chlorine greatly depend on the amount!