General Hydroponics® pH Test Kit Size:GH pH Test Kit 1 oz (24/Cs) OMRI and OIM certified

OMRI and OIM certified

Mag-Pro is a unique supplement that can be used with any complete nutrition formula as a blossom booster

We’ve taken Mother Nature’s best naturally occurring elements and other components and purified and refined them into a superlative one-shot addition for satisfyingly big yields in your garden

The 2 ft x 4 ft

The Bluelab® PeriPod M3 is a simple and reliable inclusion that has 1x 120 ml (4 fl oz)/min peristaltic pump for dosing pH adjuster solutions and 2x 120 ml (4 fl oz)/min peristaltic pumps for dosing nutrient stock solutions

General Hydroponics® pH Test Kit Size:GH pH Test Kit 1 oz (24/Cs) OMRI and OIM certifiedGeneral 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.