Spa Water Testing - Universal Chart
No HTH™ test strip? No problem—just enter your spa test values manually to get recommendations. After testing your water, use the chart below for quick guidance. Match your results, select each color, and click Get Results for tips.
Download our HTH™ Test to Swim App for easy spa water testing anytime.
Need a refresher before matching your test results? No problem! Refer to the quick tips below. For a deeper dive, visit the HTH™ Pool Care 6-Way Test Kit product page. And don't forget, if you have a myHTH account, you can store your test history and keep track of your favorite HTH™ products.
HTH™ 6-Way Test Kit: Quick Tips
1. Collect a water sample approximately 18 inches below the water surface or up to your elbow.
2. Hold the bottle vertically and dispense drops into water sample.
For a full list of tips, download our HTH™ Pool Care 6-Way Test Kit Guide.
WARNING: Do not dispose of test solutions in swimming pools or spas. Rinse cells before and after each test.