Pentair Phenol Red pH Test Solution with Chlorine Neutralizer 1/2 oz | R161018
Maintain accurate pool water testing with the genuine Pentair Phenol Red pH Test Solution. This 1/2-ounce replacement reagent contains a chlorine neutralizer to help provide dependable pH readings when used with compatible Pentair water test kits.
Features
- Genuine Pentair OEM replacement
- Phenol Red pH Test Solution
- 1/2 oz. (15 mL) bottle
- Contains chlorine neutralizer for improved accuracy
- Compatible with select Pentair water test kits
- Ideal for routine pool and spa water analysis
The Pentair R161018 reagent delivers reliable pH test results when used with compatible Pentair test kits. Fresh reagent helps ensure accurate water balance measurements, supporting proper chemical maintenance and protecting pool equipment and finishes.
Pro Tip
Replace liquid reagents regularly and keep the bottle tightly sealed between uses to maintain testing accuracy throughout the swimming season.
Usage Tips
Use only with compatible Pentair water test kits and follow the manufacturer’s testing instructions for accurate pH measurements.








