Keep in mind that if metal stains are laid down, they may no longer be at testable levels (that is, they are on the pool surface and no longer in the water.)
Re: Testing for Metals...
Keep in mind that if metal stains are laid down, they may no longer be at testable levels (that is, they are on the pool surface and no longer in the water.)
16'x29' free-form 14K gal IG gunite pool; SWCG & sodium hypochlorite 8.25%; Hayward SwimClear C4025 cartridge filter; Hayward SP3202VSP TriStar Variable Speed Pool Pump; custom test kit based on Taylor K-2006C; city; PF:8.6
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