Thanks for keeping us up to date, I know I'm only one of many that have truely enjoyed this thread!! With reguards to the volume of your pool, I'd guess ~23,000 gal without 'crunching' any numbers. I've said before (but I'm too incompetent with the computer to save myself time by linking) that unless you hook up a watermeter while filling, you'll only have a good guess as to the actual gallonage. The real trouble with the computation is the 'average depth' and that # is a 'guestimate' (and the multiplier - I've always used 7.5, but it's actually closer to 7.49), so unless you can break the pool down into simple solids, who's volume can be easily figured, and add them all up, you end up with a 'fairly' approximat estimate. The real point here is that, it really doesn't matter. As long as you are 'in the ballpark', the recommended chem levels are forgiving enough so you can safely dose your pool. When dosing the pool always 'lowball' your estimated volume, you can always add a little more of whatever, but getting some of them back out can require other chems and some work. In practical, for you, terms, treat your pool as if it were 20,000 gal and shoot for the lowest increase or decrease you can - with a little experience with your pool, you'll learn what a gallon of bleach does or what 2 lbs of baking soda will do.Best of luck with the deck - and thanks for the giggles! - Waste
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