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So, serious question though. How do you chlorinate a 500,000 gallon pool? Keeping up with a 2ppm drop every day is 10 gallons of bleach a day. Bringing it up to shock level will be 50 gallons and then whatever it takes to maintain 10 ppm FC.

1. Which liquid chlorine dosing system do you use? Sterner 2. Does your system respond to a sensor, or do you dial it in based on your drop-based testing? dialed in based on testing. 3. What is your current pump run time? 11 hrs 4. What is the run time of your liquid chlorine dozers? Same...

Thanks, everyone. I'll order some borate test strips to see if borates are a possibility. I may be wrong on the pool volume. I'll double check with my next chlorine add. The fountain runs with the pump so about 10 hrs a day. The way it is plumbed, I can only turn it on or off. I'll look...

Everyone, First thanks for all the help. This site has been a huge help in getting my pool back under control. When I took over the pool from our maintenance guy, I couldn't understand why he kept the chlorine so high (it literally created a yellow precipitate in my 5 in 1 test kit). Once I...