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.
This item is sold individually. The case size is listed for your convenience for instances where you wish to order in case quantities.
— Ships from SS: WA, CA, CO, MI, TN, PA, FL USA.