How much shock for 1500 gallon pool

Using bleach in pool to kill algae. Obviously, you need to know how much bleach is needed to shock a pool. You should pour at least 2 gallons of bleach into the pool for every 10,000 gallons of water in order to try and kill the algae and get rid of your green pool water. I always try to shock my pool in the evening and then let the pool pump ...

How much shock does a pool use per gallon? Often, it will look something like this. 12.5% Liquid Chlorine Pool Shock - Normal Dosage: 1 gallon of shock per 10,000 gallons of water. Shock Dosage: 2 gallons of shock per 10,000 gallons of water.19k gallon pool. I keep 4 tablets in the feeder at all times (~2 per week), run ~8-10 hours per day. I shock with 2 gallons of 12.5% as needed which is about every 2 weeks. 30-40 CYA depending on how far I'm into the season.Liquid pool shock is also available. Ensure the pool pump is running. Pour the mixture into the water, around the edges of the pool. Let the pump run for about six hours or more. Test the water to ensure proper chlorine levels. Don't use the pool right away. Wait for the free chlorine levels to drop to 1 to 3 ppm.For chlorine granules, add 2 to 3 ounces for every 5,000 gallons. That's 4 to 6 tablespoons of chlorine. So, if you have a 20,000-gallon pool, that's about 7 ounces of chlorine or a little under a cup. For 3-inch chlorine tablets, add 1 tablet for every 5,000 gallons of pool water, which is about 4 tablets for a 20,000-gallon pool.150 grams of chlorine for 10,000 gallons of water. The amount of chlorine shock always depend on how much you want to raise your cholrine level for and the total amount of water in your pool. I ...Step#3 Determine the Amount of Bleach Needed. Measure the volume of water in your pool to help you determine the amount of bleach needed. Follow the formula: Pool width x pool length x average depth of water = water volume. Then calculate the volume of bleach required based on this - 1 gallon will increase the free chlorine level of 30,000 ...Pool Total Alkalinity Calculator. A Swimming Pool Chemical Calculator. Adjust sliders to calculate pool total alkalinity. Gallons: 14000. 100. 20000. Click for pools over 20k gallons. Current Alkalinity: 80.19k gallon pool. I keep 4 tablets in the feeder at all times (~2 per week), run ~8-10 hours per day. I shock with 2 gallons of 12.5% as needed which is about every 2 weeks. 30-40 CYA depending on how far I'm into the season.

GasBuddy.com predicts further drops in gas prices over the next two months, with the national average dropping below $2 per gallon by Halloween. By clicking "TRY IT", I agree to re...In a heavily used pool, as much as 90 percent of the chlorine or bromine may be working to eliminate organic impurities, leaving a mere 10 percent to kill germs. That is never a good thing. To free up a sanitizer to do its primary job—killing germs—it's always wise to periodically add a supplemental oxidizer, a "shock treatment."I'm guessing the actual water level is 24", not 30" which puts your pool at 1700 gallons. One quart of bleach will add 8.8 ppm (parts per million) of chlorine to it. Forget the powder for now.The basic chlorine to pool water balance is supposed to range between 1 to 3 PPM. To achieve this pool chemistry balance, you will need about 0.00013 ounces of chlorine per gallon of pool water. Different swimming pools feature varying sizes. Hence, you will need to perform some simple calculations to figure out the amount of chlorine … How much super shock should I use? Often, it will look something like this. 12.5% Liquid Chlorine Pool Shock – Normal Dosage: 1 gallon of shock per 10,000 gallons of water. Shock Dosage: 2 gallons of shock per 10,000 gallons of water. I have a 14,000-gallon pool that is a little cloudy with algae. I'm wondering how many 12.5% sodium gallons of chlorine I should add to shock it overnight. I bought 8 gallons today. The pool guy said to add all 8 gallons of chlorine, but I feel like that's too much for a 14,000 gallon pool. Go with half and see what it looks like tomorrow.

Pool Sand Filters; Swimming Pool Shock; Hot Tubs & Spas. ... should be added to the pool water at a rate of around 12 ounces for every 5,000 gallons of wate ...A 3-inch chlorine tablet can sanitize up to 5,000 gallons of water. So if you have a 20,000-gallon pool, you’ll want to use four 3-inch chlorine tablets. To calculate the right number of tablets, round your pool volume up to the nearest 5,000 gallons. And if you have a smaller pool (under 10,000 gallons), consider using 1-inch chlorine tablets.To use it, start by thoroughly cleaning your pool and checking the pH balance of the water. You should make sure that the pH levels are between 7.2 and 7. 6 before adding the shock. Once the pH is balanced, use a measuring cup or pool test strips to measure out the correct dosage of the shock. Generally, 1 cup of shock is needed per 10,000 ...Once you have your pool volume in gallons, look on the package of shock to see how many pounds or Pods you need. Often times you’ll find a chart right on the package. For example, HTH® Shock Advanced! asks for one pound per 13,500 gallons. So for a 21-thousand gallon pool, you'd want to round up to two pounds of shock.Begin the process of shocking a pool by first testing and balancing the water. Verify that the pH is between 7.2 and 7.6 ppm before you proceed. The total alkalinity should be between 80 and 120 ppm. If either metric is off, add the appropriate chemicals and test again until everything is where it should be.

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Specs: The main active ingredient is 68% Calcium Hypochlorite. Dosage: 1 pound per 10,000 gallons. Available in 6, 12, or 24 count 1-pound bags. Pros: Pre-portioned amounts of shock eliminate the need to measure amounts before use. High doses of calcium hypochlorite create fast pool oxidation for quick results.2. Measure Out the Muriatic Acid. Calculate how much muriatic acid you need to lower your pH to the normal range. If your pH reading is above 7.8 and you have a 15,000-gallon pool, start by adding 1 quart (1/4 gallon) of muriatic acid. Then after letting the acid circulate for one hour, retest your levels.To reach 30 ppm, this generally requires 3 lbs of shock per 10,000 gallons of pool water, ... as much as 50% of your shock can be wasted! Pool Chlorine Safety. ... Hi, I have a question. I have a vinyl liner, 1,500 gallon swimming pool. I stared using sodium dichloro-s-triazinetrione granuals to sanitize the pool.This tool will tell you what you need to do in order to correctly shock your pool. Please select the type of pool shock and your preferred sanitizer, and enter your pool's current free …7-10% needs 1 Drops. (If strength is unknown, add ten drops per quart of water. Double amount of chlorine for cloudy or colored water) The treated water should be mixed thoroughly and allowed to stand for 30 minutes. The water should have a slight chlorine odor; if not, repeat the dosage and allow the water to stand for an additional 15 minutes.There are 7.48 gallons of water in a cubic foot. Multiplying the surface area and average depth gives the total number of cubic feet in the pool. Multiplying the total number of cubic feet by 7.48 the number of gallons in a cubic foot, gives the total number of gallons in the pool. (Average Depth * Area) * 7.48 = Pool Gallons.

May 29, 2023 · Experts recommend using one pound of shock per 10, 000 gallons of water, so for a 500-gallon pool, you would need approximately 0.05 pounds or two ounces of shock treatment. “It’s important not to over-shock your pool, “ says expert Michael Rathburn from Swim University. “Too much chlorine can irritate swimmers’ skin and eyes.”. Run your filter. Running your swimming pool filter will help distribute the shock evenly. Wait the appropriate amount of time before swimming. If you're using a chlorine-based shock treatment, you'll need to wait 12 to 24 hours before swimming. If you're using chlorine free MPS, you should wait at least 15 minutes.Step 2. Determine the amount of salt you must add to your pool to obtain the optimal level. Ideally, you want between 2,000 and 4,000 parts per million. To obtain 4,000 parts per million in a freshly filled pool with no salt water, add 50 pounds of salt per 2,000 gallons. Calculate how much salt you will need to add based on the number of ...First off, the size of your pool will determine how much shock you can expect. Smaller pools will, therefore, produce less shock per gallon of water than larger pools. If you have a fairly small pool, you may not even notice a difference in how you feel after being in it versus being out of it. However, if you have a large pool, you may get ...Normal range: $44,389 - $86,112. Installing an inground pool averages around $64,740, and most homeowners pay somewhere between $44,389 and $86,112. A n inground pool costs about $64,740 to install, on average, though homeowners typically pay between $44,389 and $86,112 for this coveted backyard feature. How much you'll pay depends on several ...The amount of bleach you need in your pool depends on your pool volume and current chlorine levels. If you add too much bleach to your pool, this could lead to health hazards, damaged pool equipment, and altered pH levels. After adding bleach, wait 4-5 hours for chlorine levels in the water to return to between 1-3 ppm and test before getting ...The best time of day to shock pool. If you shock a pool in the morning or during the day then the ultraviolet sunlight reduces the effectiveness of chlorine and makes it dissipate very quickly before it has a chance to work. The best time of day to shock your pool is in the evening after the sun is down. This allows the pool chlorine time to ...A pool filter should be run for a minimum of 6 hours after shocking a swimming pool. This is to allow the filter to clean the water and give the shock enough time to fully mix with the pool water. Running the filter after shocking for 24 hours to 7 days is necessary if the pool has a large amount of algae. For your backyard pool, free chlorine should be around 2-4 ppm (parts per million), ideally nestled around 3 ppm. For commercial pools, 3-5 ppm is fine. Do you have your reading? If so, let’s move on. Measure Your Pool Volume. Next, you need to measure how many gallons of water are in your pool. You can use my calculator below to figure that out.

Pool/Spa Water Care ; Hot Tub Water Chemistry ; Shock Shock. By twkennedy October 31, 2008 ... Posted October 31, 2008. twkennedy. Members; 20 Report; Share; Posted October 31, 2008. I have approx a 400 gallon Tub. How much shock should i put in. They say 2oz a week but what does that translate into teaspoons or tablespoons. Do i have to get a ...

The amount of gallons of water in a pool varies greatly depending on the size of the pool. The average in-ground backyard pool holds between 18,000 and 20,000 gallons of water.For a new pool or for spring start-up, chlorinate with 1 gallon of product for every 10,000 gallons of water to yield 5 ppm. Check the level of available chlorine with a test kit. Adjust and maintain pool water pH between 7.2 and 7.6. Adjust and maintain the alkalinity of the pool to between 80 to 100 ppm.Pool Sand Filters; Swimming Pool Shock; Hot Tubs & Spas. ... should be added to the pool water at a rate of around 12 ounces for every 5,000 gallons of wate ...Generally, the recommended amount of shock needed for a small pool is 1 lb. of shock per 10,000 gallons of water. Once you have determined the correct amount of shock needed, the next step is to add the shock directly into the pool water. For small pools, the best way to do this is by using a bucket of pool shock in one spot and then pouring it ...How much shock Do I need to add to winterize my pool? Several days before closing, shock the pool with a chlorine shock or non-chlorine shock, using at least 2 lbs per 10,000 gallons (follow package directions). Allow the chlorine level to return to 1.0-3.0 ppm before adding any winter algaecide or your pool cover. Can I use shock to close pool?Start by suiting up in your protective gear - gloves, goggles, and a mask. Then, scoop water from the tub using your 5 litre bucket. Measure your shock dosage with a measuring cup. Pour the shock into the bucket of water. Always add the chemical to the water, do not add water to the chemical.Struts and shocks are designed to absorb the impact of potholes and other defects in the road while driving. The first true shock absorber was invented in 1926 by Monroe, the popul...

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For dark green or black algae, adding enough pool shock to reach 30 ppm may be necessary. Shocking the pool to 30 ppm of free chlorine, with proper pH, eradicates most algae. For best results, vacuum the pool before shocking, and brush the entire pool before and after shocking.Finally, enter your desired alkalinity level (again, in mg/L or ppm), bearing in mind that a level of 80 - 120 ppm is generally recommended. How Much Sodium Bicarbonate Should I Add To My Pool? As an example, for a 50,000 L pool with a current alkalinity level of 40 ppm and a desired alkalinity level of 100 ppm, you would need to add 4.1 kg of ...This fast-dissolving, convenient 4-in-1 pool shock for algae formula kills bacteria and algae, reduces chlorine odor and irritation and quickly restores crystal clarity. Multi-functional shock treatment for weekly use. Use weekly to solve 90% of pool water problems. Pool shock for algae restores crystal clarity in 24 hours.Multiply the width of the pool by the length, and multiply again by the average depth of the water to find the water volume. Calculate the amount of bleach you need based on the fact that 1 gallon will raise the free chlorine level of 30,000 gallons of water by 2 ppm. If you need to mildly shock a 30,000-gallon pool by raising the free chlorine ...How much shock do I add to pool with algae? (1 bag) of shock per 10,000 gallons of pool water. That may be fine for normal conditions, but if you have a severe algae attack, a triple shock is needed. 1 bag will get reach 7-9 ppm, but for 30 ppm, you need 3, 4 or sometimes even 5+ lbs per 10,000 gallons of pool water.Here is the chart that you have to use for shock treatment based on the color of the pool. For light green pools, use 1 lb. of shock treatment per 10,000 gallons of water. So, for 25,000 gallons of water in pool, use 2.5 lb. of shock treatment. For medium green pools, use 2 lb. of shock treatment per 10,000 gallons of water.When you add muriatic acid to a pool, or any body of water, the acid will lower the pH level of the pool. Any acidic substance will lower a pH; lower pH is more acidic, while higher pH is more basic. For comparison, tap water that comes out of your faucet at home should be at a 7 (neutral) and an ideal pH level for a pool is around 7.4 to 7.6.If you own a pool, you are probably aware of the importance of shocking your pool. Shocking is a method used to help kill algae and bacteria that may have. Skip to content. Menu. Menu. Home; Pool Tips; About Us; ... How Much Powder Shock For 1000 Gallon Pool? Shocking Guide. Written by: Hank Cooper. Published: October 23, 2023 ...As a general rule of thumb, it is generally considered that standard algaecide should be added to the pool water at a rate of around 12 ounces for every 5,000 gallons of wate r, otherwise you're going to find that you're using far too much algaecide in your pool. As a side note, it's important to note that the guidance above should only ... ….

The ideal amount of bleach per gallon of water in a swimming pool: The general rule of thumb is to add one-half gallon of household bleach for every 5, 000 gallons of water in your pool. This will get you approximately 2 ppm (parts-per-million) of free available chlorine, which should be perfect for most standard pools.Cartridge filters are a lot bigger and a little less exact. Typically, you're going to average 0.3 to 0.35 GPM per square foot of surface area. 100 square feet surface area = 32-38 GPM. 200 square feet surface area = 55-75 GPM. 300 square feet surface area = 80-112 GPM. 400 square feet surface area = 100-150 GPM.A 30,000 gallon pool requires a substantial amount of liquid shock to ensure effective sanitation and water maintenance. ... Pool owners can use a general guideline of 1 pound of liquid shock per 10,000 gallons to determine how much shock to add. If pool owners wish to use a different type or manufacturer of shock, they should read the ...Jan 23, 2021 · Next up is determining the amount of shock needed for your pool. As a general rule, 1 lb. of shock is used for every 10,000 gallons of pool water. Most shock is sold in 1 lb. bags, making it easy to calculate how many bags your pool will require. Note: we recommend reading the instructions as some pool shock can vary in its dosage. Take a bucket, usually about a five-gallon bucket, and fill it 3/4 of the way with pool water. Then add in one bag of calcium hypochlorite. Once the bag is in, you can then move to the next step. Make sure that you only put one bag at a time into the bucket.An introduction to determining how much shock is needed for a 3000 gallon pool: Under normal circumstances, it is recommended that you use 1 lb of shock per 10,000 gallons of water. Therefore, the amount of chlorine needed to effectively clean and sanitize your 3000 gallon pool would be approximately 0.3 lbs (or 5 ounces), assuming normal conditions.Feb 27, 2007 · Something is not right about that. 3 fluid ounces (that's 6 tablespoons) of 6% bleach in 300 gallons should raise the FC by 4.8 ppm (about 5 ppm). If your kids have a tendency to roll out of bed at night (as my 9-year-old son sometimes does) you can add bumpers to each side of the bed to make it more difficult for them to rol...Shock Treatment Ratio (per 100 gallons) Example: 500 gallons; Clear: 0.005 ounces: 2.5 ounces of shock treatment: Slightly Cloudy: 0.01 ounces: 5 ounces of shock treatment: Very Cloudy: 0.015 ounces: ... Pool Mate Spa Shock (chlorine, pH neutral) Clorox Spa Blue (restores blue color) How much shock for 1500 gallon pool, How many gallons of water does a 12 in pipe 1500 feet long hold? 1,269,551.02 US gallons., Often, it will look something like this. 12.5% Liquid Chlorine Pool Shock - Normal Dosage: 1 gallon of shock per 10,000 gallons of water. Shock Dosage: 2 gallons of shock per 10,000 gallons of water. Source: Champion Liquid Pool Shock instructions. How much liquid chlorine do I need for a 1000 gallon pool?, I have a 19,000 gallon pool. Free Chlorine 3.22 - ok Total Chlorine 3.33 - ok pH - 8.1 - add 44 fl. oz of muriatic acid Total Alkalinity 116 - ok Calcium Hardness 241 - ok Cyanuric Acid 35 - ok Iron 0.1 - ok Cooper 0 - ok Phosphates 1458 - add 1 gallon 19 fl oz of NoPhos TDS 600 - ok Pool water is clear., So, How Much Bleach To Shock A Pool? To disinfect a surface, the CDC recommends about 5 tablespoons of regular bleach per gallon of water. For a liquid pool shock, it is preferred to dilute it at a rate of 2.5 to 3 tablespoons per gallon of water. For a 5,000-gallon pool, you need 3 cups or 24 oz of Clorox bleach to raise the chlorine level., How much Shock should I use? 1 gallon of liquid shock per 10,000 gallons of pool water. Watch the labeling and look for 12.5% sodium hypochlorite. Note that many stores sell 8-10% in order to cut the price. In other words it is a good deal for the store but a bad deal for the consumer. A 20,000 gallon pool would use 2 gallons. You can also use ..., Johanna Miller. Keep your pool crystal clear with three simple steps. Three types of chemicals -- chlorine, shock and algaecide -- are the basic chemicals used to maintain …, How much shock do you use in a 1700 gallon pool? It really depends on the size of your pool. A normal 25,000 gallon pool would require about 6.5-7lbs. of chlorine to bring it up 10ppm., How much shock do I add to my swimming pool? SKIMMER NOTES: Calculate your total pool volume first, then check the package of shock for dosing recommendations by …, Shock Dosage: 2 gallons of shock per 10,000 gallons of water. How much liquid chlorine should I put in my pool per gallon? The basic balance of chlorine to water is between 1 and 3 ppm, or 0.00013 ounces of chlorine per gallon of water., Only shock at dusk or night and leave the cover off. Ensure your pH is in the appropriate range of 7.2-7.4. It is important to run pump and filter the water for one hour after shocking the pool and vacuum the debris that falls to the pool floor after the shock the following morning., The ACP of Household Bleach is usually 6% and the ACP of Liquid Chlorine is usually 12.5%. Please check the product label or data sheet. Clicking the “Calculate” button will give you the result in ounces for powders and gallons for liquids. Pool Shock Calculator: For Powders or Granules. Pool Shock Dose Calculator. Existing FC (ppm):, This item: Olympic 1 - Gallon of Shock-It -Liquid Chlorine Pool Shock - Commercial Grade 12.5% Concentrated Strength $27.99 $ 27 . 99 ($0.22/Fl Oz) Get it May 8 - 10, You should double shock your pool and use two pounds of shock for every 10,000 gallons of pool water. Dark green pool water: This algae has had time to grow significantly. You need to triple shock your pool and use three pounds of shock for every 10,000 gallons. Black green pool water: This is a serious infestation and the hardest algae to kill., About 21,000 gallons of oil were spilled. Oil is washing ashore on beaches near Santa Barbara, California, after a nearby pipeline operated by Plains All-American Pipeline ruptured..., Main Takeaways. If the salt levels are over 5000 to 6000 ppm, the pool water will be salty-tasting, your metal equipment may be in danger of corrosion, and your saltwater generator may not work properly. The optimal salt range is between 2700 to 3400 ppm, and the ideal is 3200 ppm. To lower the salt level in your pool, you have to dilute the ..., Use this formula to determine how much salt you need to add to your pool. This assumes your salt levels should be around 3,200 PPM: How Much Salt to Add (In Pounds) = Your Pool Water in Gallons x 8.35 x (0.0032 – Current Salt PPM / 1,000,000) For example, if you have a 12,000-gallon pool and your current salt PPM is 1,200 PPM, your math ..., Subtract the free chlorine level of 1.2 from 13 to get 11.8 ppm, the desired change amount. 6. Divide the volume of your pool by 10,000 …, How much shock do I need for a 30000 gallon pool? It takes 1 ounce of chlorine in 7,500 gallons of water to equal 1 ppm. We will divide 30,000 gallons by 7,500 to get 4. It requires 4 ounces of chlorine to raise the parts per million of this example pool by 1., How much shock for a 1000 gallon pool? Just 0.13 ounces or slightly more may be required for a 1000-gallon pool. Instead of Clorox, I advise using ordinary liquid chlorine bleach or sodium hypochlorite for daily shocking. Clorox can only kill algae since it contains a much of calcium hypochlorite. Without any issues, your pool can function …, How much shock do I need for a 7500 gallon pool? It takes 1 ounce of chlorine in 7,500 gallons of water to equal 1 ppm. We will divide 30,000 gallons by 7,500 to get 4. It requires 4 ounces of chlorine to raise the parts per million of this example pool by 1., This is added at a rate of one pound per 3,000 gallons of water. How much shock do I need for a 8000 gallon pool? To shock your pool, use 2 pounds of shock for every 10,000 gallons of water, which should raise your chlorine levels to 10.0 ppm. Depending on your pool, you can use either Leslie’s Power Powder Plus or Leslie’s Chlor Brite., Finally, enter your desired alkalinity level (again, in mg/L or ppm), bearing in mind that a level of 80 - 120 ppm is generally recommended. How Much Sodium Bicarbonate Should I Add To My Pool? As an example, for a 50,000 L pool with a current alkalinity level of 40 ppm and a desired alkalinity level of 100 ppm, you would need to add 4.1 kg of ..., OverDosing the Spa is very common. Measure spa adjustment chemicals carefully, using 1/8 cup (1 oz) or 1/4 cup (2 oz) kitchen measuring cups. Another useful tool, the kitchen tablespoon is 1/2 ounce, and the tablespoon is 1/6 ounce, or 0.17 oz. Add small amounts and test again after an hour or so of circulation., Subtract 15 from 50. (50 - 15 = 35) This is how many gallons of water you will use, i.e., 35 gallons. Let's do another quick example. Say you have a 7 gallon mix: Step 1: 7/10 = 0.7. Step 2: 0.7 x 3 = 2.1. Step 3: 30% would be equal to 2.1 gallons bleach, 7.9 gallons water (or you can round to 2 gallons bleach, 8 gallons water)., If you're determining how much shock per gallon you need to add to your swimming pool, we're here to help. If you don't know how to calculate pool volume, no..., Shocking your pool refers to the process of adding a high concentration of chlorine (or a non-chlorine sanitiser) to your pool water to rapidly increase the levels of free chlorine. The high level of chlorine kills bacteria, chloramines, algae and other contaminants., The amount of liquid shock required for a 30,000-gallon pool depends on the strength of the shock product you are using. Typically, for a 30,000-gallon pool, you would require around 3 quarts of liquid shock. However, it is essential to consult the specific instructions provided by the manufacturer for accurate dosing., Free Pool Shock Calculator. Shock your pool! This tool will tell you what you need to do in order to correctly shock your pool. Please select the type of pool shock and your preferred sanitizer, and enter your pool's current free chlorine (FC) and cyanuric acid (CYA) / stabilizer levels below., Shocking the pool with chlorine and filtering the dead algae out. The amount of chlorine needed to clear a green pool depends on how green the pool is. It is better to overdose a pool with chlorine to ensure all the algae is killed. As an indication a very green pool could need as much as 150grams per 1,000 gallons., Use the calculator below to figure out how much salt to add or water to replace in your pool. All you need to do is plug in your pool volume (which you calculated above) and your current salt levels (which you tested for) and hit "calculate.". I already plugged in the ideal salt level of 3,200 ppm, but if you feel strongly that you want it ..., For a typical shock of a pool that isn’t green, you’ll want to use one to two gallons of shock per 10,000 gallons of water in your pool, but when algae is involved, we’ll need more. For teal green pools, use double this amount; for dark green pools, use three times this amount; for black green pools, use four times this amount. After The ..., How Much Bleach To Shock A Pool. The CDC recommends about five tablespoons of regular Bleach per gallon of water to disinfect a surface. For a liquid pool shock, it is preferred to dilute it at a rate of 2.5 to 3 tablespoons per gallon of water. For a pool with 5000 gallons of water, you should use around 15 ounces or 4 cups of Clorox bleach to ..., Turn off the hot tub: Turn off the hot tub and remove the filter. Test the water: Use a test strip to determine the pH and sanitizer levels of the water.The pH level should be between 7.2 and 7.8, and the sanitizer level should be between 3 and 5 ppm. Add the shock treatment chemical: Follow the instructions on the chemical packaging packaging to add the appropriate amount of shock treatment ...