Pentair 4-in-1 pool and spa test kit – R151186

Monitor your pool or spa water balance with the Pentair R151186, model 78HR manual test kit. It includes four tests to guide water maintenance: total chlorine, pH, total alkalinity, and acid demand.

Key points

• 4 tests in one kit
• OTO method for total chlorine
• Reagents and comparator included
• Blue hard case for storage

Dimensions and specifications

• Brand: Pentair
• Part number: R151186 / 78HR
• Tests: total chlorine, pH, total alkalinity, acid demand
• Type: manual reagent test kit

What’s included

Test tubes and test cell; yellow OTO reagent No. 1, Phenol Red No. 2, and No. 3 for acid demand and alkalinity (1 oz each); chlorine neutralizer No. 4 and alkalinity reagent No. 5 (½ oz each); instruction card, booklet, and hard case.

Before ordering

OTO reagent measures total chlorine. This kit does not distinguish between free chlorine and combined chlorine. For a separate free chlorine measurement, choose a test designed for that purpose.

Installation and maintenance

Follow the volumes, number of drops, and step order provided in the instructions. Store the reagents away from heat and light, check their expiration dates, and replace expired solutions.