Sure Test pH Test Strip Kit, 5.5 - 8.0
SureTest pH Test Strip Kit
The SureTest Kit includes everything you need to test the pH of your water or nutrient solution. Includes 15 ft of pH dependent color changing paper. The testers have a pH range from 5.5 to 8.0 in either 0.2 or 0.3 increments. Full color chart to match your pH test results.