Grodan Gro-Wool Water Absorbent Granulate, 3.5 cu ft Lighting We then combine our premium

We then combine our premium cold processed kelp mix (Ascophyllum nodosum and Laminariajaponica) to supply nutrients that support the natural blooming process

Pests can't build immunity to it

rated for 54

000 Gallon Capacity (30 GPD = 365 days)

Open Reflector features:

Grodan Gro-Wool Water Absorbent Granulate, 3.5 cu ft Lighting We then combine our premiumGrodan Gro Wool Medium Water Absorbent Granulate can be used alone or as an amendment to organic based mixes. For example, the addition of water absorbant granulate to peat mixes at 25 50% volume increases water holding capacity and aeration, improving plant growth and shelf life. The water repellent granulates are superior substitutes for aerators such as perlite or Styrofoam. The granulate is prilled for easy mixing. Granulated rockwool as potting