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Hi - I’m still tinkering with the pool as it was just opened. Currently have 1ppm of fc and probably CYA of 30ish. I have to retest as I added 50oz of cya yesterday. I wasn’t losing the dot at all and my pool opening company registered a cya of 17 on his digital meter. Adding the cya slowly as I...

Hi all, Bought a house with a pool last year and this forum has been very helpful. This year decided I would invest in a SWG and attempt to drop the CYA to get things in line with the recommendations on this forum. Thank you in advance for your help. 1. We have a plaster pool that apparently...