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Hi all, just ran my test kit (TF-100) and got following results: FC - 4.5 CC - same PH - 8.0 TA - 80 CH - 325 CYA - 40 The instructions in the TF-100 say the recommended level for manually chlorinated pools is 100-120. But PoolMath is telling me ideal level is 60-80. That's a pretty big...

My drain plug is really stuck. It keeps disintegrating further as I try to remove using various means. It is really old and isn't holding up well to my attempts. I tried using screwdriver on outside and pliers from inside simultaneously and how am left with big hole in the middle. Any advice...

I have a Rainbow Lifeguard 320 chlorinator used for pucks. Have stopped using the pucks since starting here at TFP, but I’m about to be out of town for 3 days and wanted to supplement with pucks while gone (CYA currently at 30 so feels like I can be safe to add 3 pucks which should increase my...

Hello all. I've been following along here for the last month or so and am committed to no longer relying on the local pool store to understand the needs of my pool. Here are my stats from first run of TF-100. PH 7.7 FC 3.0 CC nil CH 350 TA 150 CYA 40 From the "Recommended Levels" it looks...