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Ultima Nix combines a powerful algaecide with a phosphate remover. This dual-action formula is designed to keep your pool algae free all season. Phosphates are food for algae and once removed, algae cannot grow. If you use Ultima Nix you will never have algae again. This is the only algaecide available that starves algae. Ultima Nix is easy to use and highly effective.
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