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I have a 30,000 to 35,000 gallon inground vinyl pool. My test kit just arrived and these are my first readings. Not being too good on pool chemistry, please feel free to give me your advise. Thanks in advance. Ronnie
FC 2
CC .5
TC 2.5
PH 7.2
Alk 140
Cal 170
CYA 20
Temp 76
These numbers look pretty good! Some people shock when they have a CC reading of 0.5, others don't unless it goes above that. The choice is yours. Ph is ok at 7.2, but don't let it drop any lower. If it does, add a little Borax to get it to 7.4-7.6. You may find that you have trouble keeping chlorine in the pool with cya of 20. If you find that to be the case, you may decide to bump it up to 30 or 40, but wait and see about that. Welcome to the forum!