Replacement Solution | Pentair | Rainbow OTO Replacement Solution Number 2 | 1/2 oz | Heavy Duty Cleaning

Pentair Rainbow OTO Replacement Solution #2, 1/2 oz targets algae, cloudy water, metals, and scale, delivering targeted oxidation based on your water test results. Use as needed to restore clarity and balance in your pool.

Designed for precise dosing within the Rainbow OTO treatment family, this compact bottle supports dependable outcomes. When your test shows algae growth, mineral haze, or scale buildup, it helps optimize sanitizer effectiveness and improve filtration performance for smoother, clearer water.

• Targeted treatment for algae, cloudy water, metals, and scale
• Compact 1/2 oz size fits into routine Rainbow OTO maintenance
• Use as indicated by water test results for smart, needs-based dosing
• Supports clarity and filtration by balancing chemistry during treatment
• Ideal for seasonal tune-ups and ongoing pool maintenance programs

Keep your pool chemistry on track with this reliable OTO replacement option—simple to store, easy to dose, and ready when tests indicate a need. Order now to maintain sparkling water and confident swimming season after season.