AquaDoc Copper Pool Algaecide - 34oz, 64oz, 128oz
90-day residual biological protection against all algae types
A professional-strength copper-based algaecide providing up to 90 days of continuous residual protection against green, mustard, and black algae. The copper ion formula maintains biological toxicity to algae at swimmer-safe concentrations between sanitizer treatments — filling the protection gap that chlorine alone cannot cover when sanitizer levels fluctuate. Apply at pool opening, following any active algae recovery treatment, and every 60 to 90 days through the season. Compatible with chlorine, bromine, and saltwater systems.
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