Cleans where chemicals fail. Removes lime, rust, stains and algae deposits from ceramic tile, molded and pneumatic formed concrete surface pools and spas. No need to drain pool. Chemically neutral. Won't upset pH balance. Works through abrasive action. Ready to use. No gloves or applicators needed. Sizes for spot, surface and under water cleaning. The pole adapter fits all standard telescopic poles. Safe for skin. Safe around children and pets. It floats! No need to drain pool. Pool Blok® is chemically neutral. Works fast as a surface lime remover. Cleans even when the strongest acid chemicals have failed. Ideal as a spot cleaner for rust marks, algae or leaf stains. Pool Block quickly shapes to any surface. Wet, then rub stained or scaled surface until clean. Rinse surface. Effective when used with water or acid. Do not use Pool Block on over glazed decorated tile, vinyl, fiberglass, wood or polished metal surfaces. Removes mineral deposits from pool tile, clean pool tile, calcium on pool tile.
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