Our strongest algae control
Kill, prevent, and protect against regrowth of heavy green, black and mustard swimming pool algae for up to 3 months with HTH's pool algae remover.
Non-foaming, fast-acting
Add HTH™ Algae Guard Ultra directly to your swimming pool water and swim right away!
Compatible with all pools
This 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.
How to use
HTH™ Algae Guard Ultra: Pool Algae Remover
1. Measure Correct Amount
Add 16 fl oz for 10,000 gal of swimming pool water for up to 3 months of protection.
Add 16 fl oz for 10,000 gal of swimming pool water for up to 3 months of protection.
2. Add Directly to Pool Water
Make sure the pump is running.
Make sure the pump is running.
3. Use Every 3 Months
For best results, add HTH™ Algae Guard Ultra every 3 months.
For best results, add HTH™ Algae Guard Ultra every 3 months.