Pentair Solution #3 Acid Demand Replacement, 1 oz | R161185

Pentair R161185 Acid Demand & Total Alkalinity Solution #3 Reagent | 1 oz Replacement Bottle

Maintain accurate pool water testing results with the Pentair R161185 Acid Demand & Total Alkalinity Solution #3 Reagent. This genuine replacement testing solution is designed to provide reliable readings for acid demand and total alkalinity testing, helping pool professionals and homeowners maintain properly balanced water chemistry.

The 1 oz reagent bottle is a direct replacement for Rainbow Solution “C” and is used with select Pentair and Rainbow testing systems to ensure consistent, accurate water analysis.

Accurate Water Testing Made Simple

Proper water balance is essential for swimmer comfort, equipment protection, and overall pool health. The Pentair R161185 reagent helps determine the adjustments needed to maintain ideal alkalinity levels and proper chemical balance.

Key Features & Benefits

✔ Genuine Pentair/Rainbow replacement reagent
✔ Replaces Solution “C”
✔ Designed for acid demand and total alkalinity testing
✔ Provides dependable testing accuracy
✔ Convenient 1 oz bottle size
✔ Helps maintain balanced pool and spa water chemistry

Compatible Testing Systems

The Pentair R161185 Solution #3 Reagent is commonly used with:

• Pentair Rainbow Test Kits
• No. 78 Series Test Kits
• No. 7000 Series Test Kits
• No. 1300 Test Kits
• PRO 11 Test Kits

Keep Your Water Chemistry in Check

Accurate testing is the first step toward maintaining clean, clear, and properly balanced water. Whether you are performing routine maintenance or professional water testing, the Pentair R161185 Acid Demand Total Alkalinity Solution #3 provides the dependable results needed to keep your pool operating at its best.

⚠️ California Proposition 65 Warning Label Applies.

Manufacturer: Pentair
Part Number: R161185
Product Type: Acid Demand & Total Alkalinity Test Reagent
Bottle Size: 1 oz
Replacement For: Rainbow Solution #3 / Solution “C”