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I read the post "determining pump run time," which recommends 8 hours of run time if your pump is capable of running on lower speeds. I have a variable speed pump that goes from 800 rpm to over 3000 rpm, as follows: 800 rpm 105 W 10 gpm 1200 rpm 175 W 25 gpm 1600 rpm 315 W 60 gpm...

I am considering a phosphate remover to help prevent algae growth. (I have read many of the threads here on this topic, and understand that adequate FC levels will prevent algae.) Two specific questions. I believe that my pool has very low phosphates, but I want to make sure I haven't...

Hi, PoolMath says I need to add 111 oz by wt. of baking soda to raise TA from its current value of 80 to the target of 120 for a vinyl pool. This seems like a crazy amount -- about 7 lbs of baking soda! I'm leery to just dump that much into my pool. Might this adversely affect water quality...

-- I just bought Clorox 8.25% concentrated bleach, product info. says it also has sodium chloride, sodium carbonate, sodium chlorate, and sodium hydroxide, all presumably in small quantities. The modest amount of chemistry I learned tells me that these other ingredients are OK, but I would like...