8.23 x 3.94 x 1.57 inches

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✅ RELAX INTO YOUR SOAK – These patented testing strips are designed specifically for hot tub and spa water (calibrated to 100°F). Get a reliable, accurate reading in seconds and enjoy your next soak with loved ones, stress-free.
✅ FASTER & EASIER THAN LIQUID TESTING KITS – Strips are faster and simpler than liquid testing kits, with accuracy as good or better. Color coding makes them easy to read, and they work equally well with chlorine or bromine sanitized water.