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

Sale price $327.54 Regular price $355.40

Details

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