Use BIOGUARD BASIC 3" TABLETS To Effectively Chlorinate Your Pool. BioGuard Tablets Last Longer Than Most Generic Chlorine Tablets.
***Note: Chlorine Tablets Are Acceptable For All Forms Of Application Including Floating Chlorine Feeders.
Label Directions For Use: Add 16 ounces of this product (two tablets) per 10,000 gallons of pool water per week, or as often as needed, to the floater, feeder or skimmer to maintain a constant free available chlorine level of 1-4ppm. Sunlight, rainfall, temperature, number of swimmers, and frequency of pool use affect the rate of chlorine residual loss so check the floater, feeder or skimmer often and refill as needed.