HTH® Pool Care Algae Guard Ultra 1 quart

Get long-lasting protection from extreme algae. Our strongest, non-foaming algae control kills blooms and prevents regrowth for up to 3 months. Long-lasting algae eliminatorKills and prevents all algae typesSwim immediatelyCompatible with all swimming poolsFind a Store Our strongest algae controlKills, prevents and protects against regrowth of heavy green, black and mustard swimming pool algae for up to 3 months. Non-foaming, fast-actingAdd HTH® Algae Guard Ultra directly to your swimming pool water and swim right away! Compatible with all poolsThis non-staining formula is great for all swimming pools including vinyl-lined and salt water systems. You’re all clear with HTH®For best results, use HTH® Algae Guard Ultra every 3 months. Works great with HTH® Shock products.