sure can. just check out this chart for the levels.
http://www.poolforum.com/pf2/showthread.php?t=365
I had a lot of spa use over the weekend and the FAC was low, so I added some spa dichlor. My CYA has been creeping up for a while now, I think because I have been using Leslie's chlor-brite as my main source of sanitizer. Now the CYA is at 100+ and I need to drain some water out, not what I want to do tonight...
Q: if the CYA is fine and my water test shows chlorine low, can I simply add liquid bleach to the spa with the jets running to keep the CYA where it is? My current PH is 7.4 and TA is 60. Thx.
sure can. just check out this chart for the levels.
http://www.poolforum.com/pf2/showthread.php?t=365
Retired pool store and commercial pool maintenance guy.
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