Pentair Pen Test Kit All in One #78HR R151186 – 4-Way Pool Water Test Kit

One kit, four essential readings

Meet the Pentair Pen Test Kit All in One #78HR R151186, a compact, all-in-one solution for pool water chemistry. This four-way testing set covers chlorine (free or total), pH, acid demand, and total alkalinity. A precision lucite test cell with wide standards supports clear, repeatable color comparisons, while a complete set of bottles and a water test booklet guide you from sample to reading. The kit arrives in a blue display box, making storage and organization straightforward for casual owners or professionals on the go.

What’s inside

• 1-ounce bottles No.1, No.2, No.3
• 1/2-ounce bottles No.4, No.5
• Lucite test cell with wide standards
• Water test booklet
• Blue display box
• Compact dimensions: 3/4 in length × 1-1/4 in height × 1-4/25 in width

How to use

Begin with a fresh water sample from your pool or spa, follow the step-by-step guide in the booklet, and compare color results against the wide standards. Record readings in the booklet and store the kit in the blue display box for easy access.

• Collect a small pool sample
• Measure each parameter per the guide
• Log results and reference target ranges

Why this kit stands out

This Pentair Pen Test Kit is designed for both enthusiasts and professionals who value accuracy and convenience. The lucite cell helps produce crisp visual comparisons, and the blue display box keeps everything organized in one place. While it does not diagnose health conditions, the kit supports informed decisions about routine pool maintenance and water balance.

Always read and follow the product label. Dose to the label rate for your actual water volume, never mix pool chemicals together, and store them dry, sealed and away from children and pets.