Rambridge Liquid Black Crystal 4 Liter

Liquid Black Crystal 0 - 0.04 - 0.06 Liquid Black Crystal assists in increasing the ion exchange across the root membrane. It improves the plants ability to absorb nutrients. Liquid Black Crystal must be put into your reservoir or used as a substrate drench. It is most effective when it is applied to the root zone of a plant. DO NOT foliar spray with Liquid Black Crystal directly onto leaf tissue.