Grotek Organic Green Line - Black Pearl Size:900ml your crop will be provided

your crop will be provided with what it actually needs resulting in a faster

giving you fast and accurate readings when and where you need them

Monkey Mag Cal is an important additive if you are growing using coco as the substrate

We have a deeper understanding of silicon now

During the grow phase a plant is at its most vulnerable

Grotek Organic Green Line - Black Pearl Size:900ml your crop will be providedSOIL BUILDER Black Pearl is more than just high quality charcoal. It is ladened with high grade ingredients like biochar, volcanic rock dust, low molecular weight humates, and kelp. The harmony between ingredients in the soil provide a dramatic boost to crops when added to any nutrient program. Application Rate: 900ml mixes into 36L of growing media.