Humboldt Sea Cal 2-0-0 -- 5 Gallon Common Culture The 6 in x 6

The 6 in x 6 in reach-through holes make it easy to work with

Built-in backflow prevention protects the line

4x4x4 Y Duct Connector for Grow Room Ventilation

IP65 sealed

enhancing its versatility within various grow environments

Humboldt Sea Cal 2-0-0 -- 5 Gallon Common Culture The 6 in x 6Sea Cal is a highly concentrated growth enhancer and chelated calcium supplement that offers vital macro and micro nutrients in specific ratios during early plant development. Calcium is very important during a plant's vegetative cycle, controlling aspects of cell wall structure and permeability. Calcium is absorbed into a plant through the root tips, but plants are not always able to completely satisfy their need for calcium through their roots. This