Pentair OTO Solution No. 1 Reagent - 16 oz | R161056

Pentair OTO Solution No. 1 Reagent - 16 oz | R161056

Maintain accurate chlorine testing with the genuine Pentair OTO Solution No. 1 reagent. This 16-ounce replacement bottle is designed for compatible Pentair liquid test kits and provides an economical solution for routine residential, commercial, and professional pool water testing.

Features

• Genuine Pentair OEM replacement reagent
• 16 oz. bottle for high-volume use
• Designed for chlorine testing
• Replaces Rainbow Solution “A”
• Compatible with select Pentair and Rainbow liquid test kits
  

Description

The Pentair R161056 OTO Solution No. 1 provides dependable chlorine testing for compatible Pentair water test kits. The larger refill bottle helps reduce replacement frequency while delivering consistent water chemistry testing for pools and spas.

Pro Tip

Refill smaller reagent bottles as needed and replace aging reagents annually to help maintain consistent testing accuracy.

Usage Tips

Use only with compatible Pentair liquid test kits and follow the manufacturer's testing instructions. 

We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:

• Pentair Warranty
  
• A&A (Pentair In-Floor) Warranty
  
• Fluidra Warranty (Zodiac / Jandy / Polaris / Caretaker)
  
• Paramount Warranty
  
• BlueSquare Warranty
  
• Hayward Warranty
  
• All Other Manufacturer Warranties
  

Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.