Diamond Black™ is derived from 100% pure mined Leonardite, a naturally occurring form of carbon drawn from prehistoric peat bogs. Containing an exceptionally high percentage of plant-active humates.
General 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.
OMRI listed insecticide, miticide and nematicide that kills a wide variety of pests and acts as an antifeedant, growth inhibitor and anti-oviposition. Works best against immatures.
