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  1. J

    Brown spots on bottom of pool after switching to SWG

    Hi, We have Brown spots on bottom of pool after switching to SWG summer of 2022. We also had the plaster redone in fall of 2021. Does the cheaper salt at Walmart vs pool store contain metals? Is there anything I can add daily or weekly to keep the metal from staining the plaster? Pool...
  2. J

    Plaster pool needing replastered

    Hi, Just wondering what time of year is best to replaster the pool. Do you know how long it takes to do and how long the pool will remain empty? We have a 20,000 gallon pool. Thanks, Barb
  3. J

    PH readings fluctuate

    For the first time in 8 years, my pool PH is varying wildly. Usually in Texas in August, the PH gradually goes up and I add acid about once a week. Now, the PH will read 7.7 one day and 6.9 the next day. I retake it in a different part of the pool, and it reads 7.9. I have to take it several...
  4. J

    weaning off of pool store and questions

    we're in process of changing to BBB and working towards getting water under control, had high CYA and CH and performed dump/fill of 70% of 20Kgal pool. I have Taylor TF-100 test kit and believe I'm on right track (with help from this site) and have a few questions that I need some help...
  5. J

    Calcium buildup - water line - bead blasting?

    I have a 20,000 gunnite pool with ceramic tile at water line where calcium line buildup is appreciable and can't be removed with commercial cleaners. I've read poly bead blasting is efficient, best method for removing/cleaning and wondering if anyone has experience with doing this job...
  6. J

    High CH and CYA - when to dump/refill h20?

    We are new to the forum and new pool owners (first season) in N.Texas w/20000 gunnite pool. We have been following previous owners maintanence instructions which uses pool store/test supplies. After becoming familiar with forum (which is great) we're converting to BBB method. TF100 test kit...