Product Overview

The Pentair R161004 Rainbow OTO Replacement Solution #2 is a 1/2 oz bottle of OTO reagent used to test pool and spa water for chlorine or bromine. It is the replacement reagent for the Pentair #752 and #756 test kits.

Pentair OTO Replacement Solution - 1/2 oz

Ideal For

Refilling the OTO reagent in Pentair #752 and #756 test kits

Quick chlorine or bromine checks

Key Features

OTO reagent #2 for chlorine or bromine testing.

1/2 oz bottle.

Genuine Pentair Rainbow replacement for #752 and #756 kits.

Features and Benefits

Test for chlorine or bromine in the blink of an eye

For use in the #752 and #756 Pentair Test Kits

Specifications

Warranty & Compatibility

Compatibility Notes

For use in the Pentair #752 (chlorine/pH) and #756 (bromine/pH) test kits. OTO measures total chlorine or bromine.

Customer-Facing Q&A

Q: What is the part number and UPC?
A: Pentair part number R161004, UPC 788379002923.

Q: Which test kits does it fit?
A: The Pentair #752 and #756 test kits.

Q: How much solution is in the bottle?
A: 1/2 oz.

Q: Does it test chlorine and bromine?
A: Yes. OTO reagent can be used to test either chlorine or bromine levels.