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    FC confusion after using MPS

    Well shoot, good to know. I never would have thought about that. Unfortunately the logistics and trying to purge, drain, and refill the hot tub right now would be be difficult, as I am in the northeast and we have sustained cold temperatures. My sanitizer levels don't drop suddenly, the water...
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    FC confusion after using MPS

    So much good info, thank you guys! I will add ahhsome to my list of chems. FYI, the hot tub is brand new and was installed and filled on 11/7, so I would hope my plumbing isn't contaminated lol. I have a pool, so I wasn't starting from scratch regarding water care. CC is on average is 0.4 to...
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    FC confusion after using MPS

    Thanks, appreciate the good info. Regarding shutting off the SWG to extend lifetime, is that for a full 24 hours? I am usually adding the MPS after a night of heavy use, and the chlorine levels are pretty low at that point. This is why I added the dichlor at the same time. Should I be...
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    FC confusion after using MPS

    Thanks for the response. I actually don't use dichlor that much and mostly rely on the salt water chlorine generator. I checked the CYA 2 weeks ago and it was less than 20 ppm. Since then I have put less than 2 Tbsp of dichlor in. My CYA is probably between 20-25 now. Using the pool...
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    FC confusion after using MPS

    Hi All, I am new to hot tub ownership and I am still trying to get into a routine. I have a 450 gal saltwater tub and use the taylor test kit with FAS-DPD and the deox reagent for MPS. I tested my water Saturday afternoon after heavy use the night before and my ph was 7.4, ta between 50-60,FC...