Dyna-Gro Pro-Tekt 0-0-3 -- 1 Quart Cloning Machines & Systems It is engineered to provide

It is engineered to provide the ultimate in plant support and air circulation

continuous circulation

55% RETAIL Packs are designed to control moisture levels in enclosed areas

99% Biodegradable and Non-Toxic: Emits pure water vapor only

Dyna-Gro Pro-Tekt 0-0-3 -- 1 Quart Cloning Machines & Systems It is engineered to providePro Tekt The Silicon Solution a silicon supplement, supplies higher levels of potassium and silicon to build stronger plant cell walls, providing a Pro Tekt ive barrier against piercing sucking insects and invading fungi. Pro Tekt reduces disease and insect problems, increase stem strength and leaf positioning, which improves photosynthesis. It also increases heat, drought and cold tolerance. Use as a supplement with any fertilizer to provide non