General Hydroponics pH Test Kit Size:8 Ounce The collar plate has 12

The collar plate has 12 in round collars

0 EC (60 CF

hardener and flower enhancer

King Kola helps drive budding faster

• Dedicated monitoring and control of each dehumidifier at canopy height

General Hydroponics pH Test Kit Size:8 Ounce The collar plate has 12General Hydroponics pH Test Kits make pH testing easy. Simply fill a test tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced growers prefer our pH Test Kit to expensive electronic meters because of its reliability and ease of use, which are important factors when the health of a valuable crop is at stake. Use 3 drops per 5ml of solution.