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Just got back from vacation. the pool walls had some algae on them but the water is clean. i have a basic test kit and here are my numbers,. tc 3 fc 3 cya 80 ph 7.5 alkilinity 70 ch 110 salt 3400 31000 gallon pool 18 by 36 with 4 foot roman ends on each side. mod media filter, swg, no water...