Algae Guard Ultra, HTH, 1 qt Bottle, Liquid

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 eliminator
• Kills and prevents all algae types
• Swim immediately
• Compatible with all swimming pools
• Kills, prevents and protects against regrowth of heavy green, black and mustard swimming pool algae for up to 3 months
• This non-staining formula is great for all swimming pools including vinyl-lined and salt water systems
• Add HTH® algae guard ultra directly to your swimming pool water and swim right away
• For excellent results, use HTH® algae guard ultra every 3 months
• Works great with HTH® shock products