Stubborn algae can be caused by low chlorine levels, poor water circulation or very warm weather. HTH Algae Guard 10 kills and prevents stubborn green algae for crystal clear swimming pool water. Simply add the non-foaming, fast-acting formula directly to your pool water, wait 15 minutes and dive right back in. HTH Algae Guard 10 is compatible with all swimming pool types. For best results, use with HTH Shock products.
Long-lasting algae eliminator
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Kills and prevents all algae types
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Swim immediately
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Kills, prevents and protects against regrowth of heavy green, black and mustard swimming pool algae for up to 3 months
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