Gro-Slabs provide the final stage for growing a spectacularly large plant. Transplant your Gro-Block plant onto a slab just like professional growers. They come in clearly marked biodegradable UV resistant sleeves for comfortable handling and algae prevention.

Expert vertical fibers for faster drainage; best for hobbyists Classic horizontal fibers for slower drainage; best for hot/dry climates

EXPERT FAT SLAB 6 x 4 x 36" 9 slabs per case
EXPERT SLAB 6 x 3 x 36" 12 slabs per case
EXPERT SLAB 8 x 3 x 36" 12 slabs per case
CLASSIC SLAB 12 x 3 x 36" 8 slabs per case

NOTE: Check Available Options to see pricing.