Grodan PARGRO Slab (36x6x3 w/ 3-10x10 pre-cut holes) - Bag Compact Fluorescents (CFL) UL-Listed Water-Resistant Build: UL-listed fixture

UL-Listed Water-Resistant Build: UL-listed fixture with a water-resistant body for damp grow rooms and greenhouse installations

In addition to calcium and magnesium

800 psi service-pressure rating under the DOT-3AL specification

eliminating the need for pH Up or Down

Grodan PARGRO Slab (36x6x3 w/ 3-10x10 pre-cut holes) - Bag Compact Fluorescents (CFL) UL-Listed Water-Resistant Build: UL-listed fixtureGrodan PARGRO Slab (36x6x3 w 3 10x10 pre cut holes) Bag Discover the excellence of Grodan Improved Pre Cut Gro Slabs, meticulously designed for those who prioritize quality and efficiency in cultivation. Not just a growth medium, these Gro Slabs are a testament to Grodan's dedication to innovation and precision in horticulture. Exceptional Features of the Grodan Improved Pre Cut Gro Slabs: Versatile Cultivation: Tailored for both novices and experts,