No change = 0 ppm CYA.
If you've got extra R-0013, the R-1515 will fix you up. But still get an OTO kit for fast and easy testing between careful tests.
Re: Needing some direction with testing and treatment
No change = 0 ppm CYA.
If you've got extra R-0013, the R-1515 will fix you up. But still get an OTO kit for fast and easy testing between careful tests.
PoolDoc / Ben
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