Liquid Chlorine Pool Shock - Commercial Grade 12.5% Concentrated Strength - 1 Gallon
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If your chlorine is labeled “stabilized,” “trichlor,” or “dichlor,” it already contains cyuranic acid, and there’s no need to take any further action.
Always test your chlorine levels after amending the pool water before you allow anyone to go swimming. The instructions will let you know how much to use to raise levels by 1 ppm per 10,000 gallons (38,000 L) of water.For instance, suppose you have a 33,760 gallons (127,800 L) pool, your current chlorine level is around 0 ppm, and your product directs you to add 1 tablet per 5,000 gallons (19,000 L) to increase chlorine levels by 1 ppm. Shock treatments bring free available chlorine levels to 8 to 10 ppm, which is outside of the safe range for swimming. Be sure to wear protective gear when diluting or applying chlorine shock treatments and any other pool chemicals.
If not, purchase liquid or granulated cyuranic acid, dilute it according to the package’s instructions, then add it to the pool. Test your pool water daily if it gets regular use, and maintain a free available chlorine level between 1 and 3 ppm.For a quick estimate, measure your pool’s length and width, find the average depth, then multiply length by width by the average depth. If your pool is circular, measure the diameter, divide that value by 2 to find the radius, then use the formula πr 2h, where r is the radius and h is the average depth.
Free available chlorine is active and kills germs, while combined chlorine is the amount that’s been used up killing germs. For a circular pool, measure the diameter, divide it in half to find the radius, then use the formula πr If you’re adding chlorine for the first time, add the amount of product required to achieve a free available chlorine level of 2 to 3 ppm.Instead, it’s best to use a floating chlorine feeder, chlorinating skimmer, or other automatic dispensing device.