high cya

  1. K

    New Pool Owner - High CYA - Help please!

    Our CYA is 134 ppm. I know we need to drain some water. One pool tech said drain 2/3 and add fresh water. Another tech said drain completely and do light acid wash. I decided to start my own research and found this thread. So — partially or completely drain? And recommendations for submersible...
  2. P

    shocking the pool

    Hi, I am a new pool owner. I just bought a house with a pool so this pool is well established. I have tested water and pH is 7.9, alkalinity 80 but CYA is 144 and high calcium. I use trichlor tablets (2-3/week, 9000 gal pool). I was told that I should use CYA, Ca2+ free shock chemistry, which...
  3. elglide

    High CYA and green pool

    Have an AG pool, trouble-free for over a year, but started having issues about a month ago when the pool turned green. We've been using tablets with an occasional shock. When we shocked it this time, it felt like the problem got worse. I read through the forums and other online places, and I...
  4. talbottsw

    Indoor Pools

    Hello Community! First, I would like to thank you for sharing your knowledge and wisdom. I appreciate having these forums as a resource and have done extensive research and reading while on my quest to conquer a recurring issue I'm having. Thank you in advance for your helpful comments and...
  5. ibcj

    Relatively New IG Pool Owner - High CYA and Condiment Algae?

    Hi everyone! I've been lurking on this site for several weeks - such an awesome community. The information here is beyond invaluable! Bought a (new to us) house last year (August 2018) and had to do very little to maintain the pool (occasional vacuum) - or so I thought. The previous...