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you had to risk starving your plants of these critical nutrients
consult the website for the dilution chart
Input Voltage 120 Volt | 15 Amps Dimensions 18
Do not use with products containing hydrogen peroxide (H202)
Grodan Expert Slab, 6" x 3" x 36" - Case of 12 Select Rockwool Type:Expert Slab - 6" x 3" x 36" - Case of 12 you had to risk starvingGrodan 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
