Grodan Uni-Slab (9.5 in x 8 in x 4 in), case of 16 Damper Automatically converts between HPS and

Automatically converts between HPS and MH light bulbs by micro-chip programming

and can be used around pets and wildlife

Made to match healthy skin's natural 5

Snail and slug control at its best

Nutrient rich

Grodan Uni-Slab (9.5 in x 8 in x 4 in), case of 16 Damper Automatically converts between HPS andGro 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. Uni slab All plant roots are protected and contained for the life of the plant. Due to its size, the Uni Slab is perfect for one large plant. Uni Slab has the benefits of a slab with the