General Hydroponics pH Buffers

General Hydroponics pH Buffers

pH Test Kit General Hydroponics pH Test Kits make pH testing easy. 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...
General Hydroponics Ancient Forest

General Hydroponics Ancient Forest

Since the last ice age, forests have been growing and decomposing in the Arctic, leaving behind accumulations of rich, natural humus. Ancient Forest is composed entirely of this material with no fillers or additives, and produced through a natural composting...