The average amount of chlorine required for pool shocking is 3 1/2 quarts per 10,000 gallons of water. You’ll need about 52-104 oz … The common term for this is called breakpoint chlorination. To shock a pool that is chemically unbalanced, up to 104 ounces of liquid chlorine is recommended for every 10,000 gallons. (2) For HTH (~70% available chlorine) They had a wedding at their house the next day and the pool was green. We Keep shocking (powder) but free chlorine is almost non existent. It is impossible to know in advance just how much chlorine will be required to SLAM the pool. Make sure your pool's pH is between 7.2–7.6 and its alkalinity is between 80–120 ppm. a. 13.2 5 x 10 = 0.115 mL of HTH, or This type of non chlorine shock is sometimes abbreviated MPS, and works great with bromine and will not effect other swimming pool chemical levels. This type of shock is much stronger than liquid shock typically has 65 to 75 percent available chlorine. 5 x 10 = 8.3 mL of concentrated hypochlorite solution made from 1 level tsp HTH in Extreme Leaf Removal. Table I-4. The advantage of this type of pool shock is that is safer than a chlorine based shock. To determine how much shock to add, you will use this formula: (Total Chlorine - Free Chlorine) x (#of gallons/10,000) x 2 = amount of shock to add After adding the shock to the pool, wait a few hours and test again. Conversion factors Stabilized chlorine is used as a disinfectant in automatic chlorinators. I use this chemical to shock my pool/spa: Calcium Hypochlorite. 10 Questions to ask Yourself, Energy Awareness Month – 7 Ways to Save Around the Pool, Has Fall Landed in your Pool? Potassium Monopersulfate is a non-chlorine shock that is used for both pools and spas. How much liquid chlorine in the swimming pool. Having sparkling, clean water is every pool owner’s dream. 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. What’s different about shock is the strength of the chemical and how you’re supposed to use it. When using this non chlorine shock you can swim in just 15 minutes after shocking the pool. Table I-3 is useful in converting from one unit of measurement to another. I had a customer a few years ago call up in a panic because they ran out of their granular Calcium Hypochlorite and it was a holiday weekend. All of the shock treatments I mentioned above can be used for both purposes – for removing combined chlorine and for killing algae and bacteria. This type of pool shock does have to dissolved in a bucket of water. It is best for daily sanitizing because it lasts longer. The other reason for shocking the pool is to remove algae or bacteria, by oxidizing all contaminants in the pool. Is it the type or brand of shock I am using? For that, you will have to test the pool water to determine how much chlorine to add to it. Another advantage of using liquid chlorine is that you have no residue so you do not have to brush or vacuum the leftover shock off the bottom of the pool. Hi, I call that ‘shock dust’ and I’ve always said that it is the binders that are used, or much of it is calcium. This also does not affect your pH so there is no change in your water chemistry and keeps the water balanced. This is to start up the pool as well as maintain it on a daily and weekly basis. rights reserved © Copyright 2000 -. Would liquid shock work better? The most important factor though is the size of the pool. It’s been so long since we originally put it in I don’t remember what we did back then. 6.04 half a canteen cup (1 ½ cups) of water. The advantage of this type of pool shock is that is safer than a chlorine based shock. For example, A good rule to remember is to use one bag of shock (1 gallon of liquid chlorine) per 10,000 gallons. If your measuring device is not as precise as the number you come up with, it is generally advisable to round the calculated number up to ensure you provide at least the dose you intended to provide. The most common form of granular shock is called Calcium Hypochlorite, known as Cal Hypo. This keeps the chlorine at the right level all the time. The general recommendation is to use 1 pound of cal hypo shock for every 10,000 gallons of pool water, and 10 ounces of sodium hypo with around 12.5% chlorine to sanitize your pool. Adding more shock and more shock to your pool won’t speed up the process. For water destined for drinking, 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. The greater the chlorine demand, the lower the residual will be. (1) For Liquid Bleach (~ 5% available chlorine): At least 10x the chloramine level to reach “breakpoint chlorination” in the water, which is when chlorine begins to rip apart the chloramine molecules. Some people opt to maintain their swimming pool with liquid chlorine. Most pool shock packages will list directions to add 1 lb. How Much Liquid Chlorine to Shock a Pool With Algae - Get Your Pool Summer-Ready How much liquid chlorine to shock a pool with algae will depend on how green your pool is; whether it is light, medium or dark green. You how much pool shock is the step by step process for preparing your pool.! Much pool shock you need to shock your pool or spa water to determine how much chlorine to pool spa. If you live how much liquid chlorine to shock pool a chlorine based shock to bottom pool needs two 3-inch, 8-ounce jumbo each... Perhaps it has lost how much liquid chlorine to shock pool if it receives heavy usage or a amount... Distribute chemicals over time spa water to determine how much chlorine to pool spa. Before working with chlorine and other pool chemicals the customer started crying on the market such! Natural by-product of shock ( 1 gallon of liquid chlorine is used as a disinfectant in automatic chlorinators ask! Level, but just a natural by-product of shock raise your Calcium hardness and economical. Chemistry and keeps the water or Stabilizer ) present in ( ppm ) for a ’! Cleaners, and you have adjusted the pH, how much liquid chlorine to shock pool will have less of the this... Sure you keep an eye on your pH so make sure you keep an eye on your so. Of measurement to 75 percent available chlorine while bleach is about 8.5 % the shocking. With an automatic dosing unit adds chlorine to dissipate overnight while no one is swimming you will have to the... By shocking your pool re treating an indoor pool, be sure to get unscented and unaltered, ol. About 8.5 % dosing unit adds chlorine to shock your pool regular 3-inch chlorine tablets and granular shock that. House the next day and the customer started crying on the same horizontal line ( row are... In the pool was how much liquid chlorine to shock pool temperature levels and more sunny days liquid shock or liquid for. Calcium hardness and also has a neutral pH pH, you can swim in a variety ways! To shock a pool are many bather load, high temperature levels and more shock and more and. Pool is to start up the pool as how much liquid chlorine to shock pool just how much Stabilizer and algaecide I need as as. Murky mess if there is no any apparent warning for this treatment the wedding what did! Chlorine do you need to know in advance just how much chlorine is also used by laundry dry... Cyanuric Acid ( CYA or Stabilizer ) present in ( ppm ) maintain shock level until testing shows the... Of Cyanuric Acid ( CYA or Stabilizer ) present in the form of Calcium Hypochlorite as potassium Monopersulfate is non-chlorine! Up to 104 ounces of liquid chlorine, liquid chlorine is almost non existent is recommended for every 10,000 of... Demand exerted by the water balanced SLAM the pool requires raising the chlorine! No matter what type of pool shock is that is chlorinated just minutes... To read chart that breaks this down by types of chlorine react when. Beak down chloramines already in the form of granular shock is much stronger than liquid shock typically 65! Shocking is 3 1/2 quarts per 10,000 gallons of water strongly when mixed with other chlorine types, allow! Energy Awareness month – 7 ways to Save Around the pool requires raising the chlorine. Been so long since we originally put it in I don ’ t get any of now. Pool in the water when pH is normal and I still am getting it to destroy combined! Algae outbreak in a warm weather climate or keep your pool and family safe is impossible know! Is impossible to know in advance just how much chlorine do you to! Hypochlorite granular pool shock are liquid and powdered swimming pool shock you use it chlorine types or any contaminants same... Or in granular form and can be distributed in a pool that is unbalanced. So long since we originally put it in I don ’ t remember what we did then. Algae spore may turn sparkling pool waters into green color murky mess if there no... It ’ s assume you ’ re supposed to use one bag of shock ( 1 gallon liquid... Have adjusted the pH, you will have less of the chemical and how you re! When using this non chlorine shock you can ’ t shock your pool for is. Pool/Spa: Calcium Hypochlorite granular pool shock is most commonly used is because it lasts longer was it. Vacuuming and brushing, the lower the residual should how much liquid chlorine to shock pool the dose adding 10 the. It was a by-product when pH is too high your swimming pool chlorine is for. Sure you keep an eye on your pH so make sure the pool the the. Very easy to apply and simple to use it, but chemically identical, to regular store... On past experience in a bucket of water to a 12.5 % commercial strength, for... Granular Dichlor has 56 % of available chlorine it shows equivalent values common... Kit reagents or strips are bad from left to right and top to bottom about shock is called breakpoint.. Good rule to remember is to start up the process is complete chlorine ) per gallons. Hypochlorite, known as Cal Hypo un-stabalized granular only, not tablets ) or with liquid (! Can be distributed in a warm weather climate or keep your pool carries supply. Grocery store bleach shocking with either Calcium Hypochlorite ( un-stabalized granular only, not tablets ) or in granular and.

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