hth® 3-way test kit refill

The hth® 3-way test kit refill provides extra reagents for your hth® 3-Way Test Kit.


About This Item

This will allow you to test your water even more and help ensure your pool stays clean and clear!

  • Tests for total chlorine, total bromine and pH
  • Compatible with salt systems
  • Apply direct to pool


Quickly & Easily Test Pool Water

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Easy-to-use Kit

This convenient swimming pool test kit is a quick and easy way to find out what your pool needs to keep it looking clean and beautiful.

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Checks for Six Key Parameters

The HTH® 6-Way Test Kit for swimming pools checks for total chlorine, bromine, pH, total alkalinity, total hardness and cyanuric acid (CYA).

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Achieve Balanced Water

Balanced water can help prevent corrosion, etching, equipment damage and scale buildup. It also ensures maximum sanitizer efficiency and optimizes comfort for swimmers. 

How to Use the HTH® 6-Way Test Kit

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1. Collect Water Sample

Dip the test cells into the pool water 18 inches below the surface of the water (approximately deep enough so the water reaches your elbow).

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2. Dispense Solution in Drops

Hold the appropriate indicator solution bottle vertically and dispense the solution in drops as prescribed in the directions. Shake the cells three or four times to mix. 

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3. Compare with Color Standards

Hold the cells up to a neutral background in outdoor light. Match the color of the sample in the pH and sanitizer cells to their closest respective standard . Follow kit directions for determining Total Alkalinity, Calcium Hardness, and Cyanuric Acid (CYA) level. 




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