Pentair R161004 Rainbow #2 OTO Solution - 1/2 Ounce

What This Part Is Used For
Pentair R161004 Rainbow #2 OTO Solution - 1/2 Ounce is a replacement OTO reagent used for chlorine testing in compatible test kits. It helps measure chlorine presence in pool or spa water.

Why This Part Matters
Accurate chlorine readings are essential for safe sanitation. Expired or depleted reagents can provide unreliable results. Replacing the solution ensures dependable water testing.

Key Features and Specifications

• Manufacturer part number R161004
• Rainbow #2 OTO Solution
• 1/2 Ounce bottle
• Used for chlorine testing
• Compatible with Rainbow test kits

Installation and Fitment Guidance
Use only with compatible test kits. Confirm by manufacturer part number before ordering. Replace reagent regularly for accurate readings.

About the Pentair Brand
Pentair Rainbow chemical products are trusted in residential pool care. Their testing solutions are designed for straightforward, reliable analysis. Genuine Pentair reagents help maintain proper sanitation levels.

Common Service Context
Common when refilling test kits during routine water maintenance.