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Just did my first set of tests on the swim spa: FC-0 TA-190 (this was an estimate because it never turned red, just purple) CH-225 CYA-40 pH-7.5 I added 8 oz of 8.25% bleach, ran the pumps & filters, and retested 30 minutes later with the following results: FC-2.5 CC-0.5 TA-150-200 (when do...

I am a newbie (have had the swim spa for 3 months) and just getting set up in TFP. I have a swim spa that stays covered when not in use. I use it ~4 times/week, 1-2 hours per use. Since I exercise in it, sweat and saliva are probably a consideration (TMI?). The temperature is usually around...

We decided to add a swim spa to our small back yard this year. I am an avid swimmer and wanted an option that didn't involve going to the local pool. I've been "lurking" on TFP for a few days, and I see a lot of posts about pools, and a lot of posts on spas. The swim spa seems to be a hybrid...