Rockwool Block Cover Hurricane Fans Roots Organics Trinity is a

Roots Organics Trinity is a blend of select organic compounds designed for maximum effect as a supplement for plant and rhizosphere nutrient uptake and growth

They are sold individually and are finely crafted to provide a strong cover to their containers

• Lightweight aluminum construction—easy to hang

Formula is sediment-free and is compatible with mechanical dosing systems (Dosatron)

Rockwool Block Cover Hurricane Fans Roots Organics Trinity is aPLASTIC BLOCK COVERS Reflect light to plant leaves, where it's needed most. Block light from media. Eliminate algae and mildew growth. 40 dual sided block covers per pack. Works great with GRODAN Blocks. Block light from media Reflect light to plant leaves where it's needed most Eliminate algae and mildew growth 40 dual sided block covers per pack