Grodan Macro Plug Round w/ Slit (50/Bag)

Sale price $327.54 Regular price $355.40


The Grodan 1.5" Macro Plugs, Case of 35 Packs (50 per Pack) pairs with the Gordan Smart Tray. Made from molten rock spun into thread and then compressed into slabs/blocks/cubes. Has a large capacity for absorbing nutrients while retaining oxygen creates quick plant growth.

Grodan Rock Wool MSDS