Active Aqua ESPHTEST Hydroponic pH Test Kit, Wide Spectrum - Quantity 1

About Hydrofarm, Inc. Celebrated as the nation's oldest and largest manufacturer of hydroponic equipment and grow lights, Hydrofarm has made professional-grade equipment available to all since 1977. All grow lights and electric components are UL listed, unlike many competitor products, meaning you get years of reliable and safe use out your high-intensity lights. All products are covered by a one year warranty, at the least. In some cases Hydrofarm ensures the performance of their products for five years. Ideal for all levels of gardener. Add a small amount of the nutrient solution to a vial. Add 3 drops of test solution and mixing. Comparing the color to the provided chart. Liquid tester that covers a pH range of 4.0 to 8.5.

Essentials ph test kit is good for 150 tests At the rate of 3 tests per week it will last one year Kit covers a ph range of 3-10 measuring in 0.1 increments This product weighs 0.2-pound Measures 4-1/5-inch length by 1-1/3-inch width by 1-1/3-inch height