Pay in 4 interest-free payments of $21.20 Learn more
Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
For Hydroponic Systems use a conductivity or ppm meter to monitor water quality and control nutrient strength
Your safety is important to us
using no glues or binders
Mix 244 with 217
and can be used in combination with most fertilizers
Grodan Gro-Slabs Grow Trays & Stands For Hydroponic Systems use aGrodan Stonewool Gro Slabs Gro Slabs provide the final stage for growing a spectacularly large plant. Transplant your Gro Block plant onto a slab just like professional growers. They come in clearly marked biodegradable UV resistant sleeves for comfortable handling and algae prevention. With the Uni Slab, all plant roots are protected and contained for the life of the plant. Due to its size, the Uni Slab is perfect for one large plant. Uni Slab has
US$ 50.00
US$ 50.00
US$ 50.00
US$ 50.00
US$ 50.00
US$ 50.00
US$ 50.00
US$ 50.00
US$ 50.00
US$ 50.00
US$ 50.00
