Grotek Organic Green Line - Black Pearl Size:900ml As nutrients are absorbed at

As nutrients are absorbed at different rates

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

Gold Label Hydro/Coco 60/40 is the best 60/40 on the market

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

Grotek Organic Green Line - Black Pearl Size:900ml As nutrients are absorbed atSOIL 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.