- May 13, 2013
- 8
The film is back. I have shocked the pool twice with sufficient bleach to raise the chlorine level to over 20 (by serial dilution with distilled water, OTO test). (My test kit has been ordered). Water is otherwise clear. All other parameters that I can test with the 5 way HTH are OK with the exception of CYA = 80.
Are there any enzymatic cleaners that might be effective?
Are there any enzymatic cleaners that might be effective?