4 Corners Organics Pumice - Medium (1/4" - 3/8") Size:1 Cubic Foot 4000K: optimal for use at

4000K: optimal for use at the end of the vegetative stage and through the flowering stage when plants are producing buds

Anticorrosive and rustproof materials

Allows growers to reduce nitrogen in late flower

Purchase this bulk bag and get 55 plugs for a fresh start

4 Corners Organics Pumice - Medium (1/4" - 3/8") Size:1 Cubic Foot 4000K: optimal for use atPumice is formed from volcanic activity and owes it's unique porous structure to the rapid temperature and pressure changes that occur during a volcanic eruption. An excellent soil additive for increasing drainage and aeration, pumice also has a mineral content that is beneficial to plants. Pumice also assists in promoting microbial establishment and growth due to its porous nature. All of the surface area provides living environments for root zone