Mother Earth 714718 Coir fibers

Mother earth coco covers are a naturally derived replacement for plastic covers. These 100% natural coconut coir fiber covers work great for preventing algae from growing on top of your Rockwool blocks. Available in 4 and 6 inch squares for use with grodan blocks. Also available is the 8 inch custom cover with rounded corners for use with the flo-n-gro ebb & flow systems and the drip-n-gro system. Tired of algae growing on top of your media, mother earth has you covered.