ROCKWOOL Slab 8" - SINGLES 100 cm 400 CFM The Bluelab Soil pH Pen

The Bluelab Soil pH Pen provides a pH and temperature reading of soils and media

It's different than your normal 600W bulb

which often occur as contaminants in conventional chemical fertilizers

NOTE: PICKUP ONLY due to fragile nature of this item

or staples

ROCKWOOL Slab 8" - SINGLES 100 cm 400 CFM The Bluelab Soil pH PenGro 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. With the 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