We have a member who needs to get her CYA down (from 100 to 50-ish) and is unable to drain because of a water ban.
Isn't there a product for this? If yes, what is it, is it any good, & what is the appx cost?
Thanks!
Isn't there a product for this? If yes, what is it, is it any good, & what is the appx cost?
Thanks!