Plagron Plagron Hydro Cocos 60/40 45 LPlagron Hydro Cocos 60 40: perfect balance between drainage and retention This professional mix combines 60% Euro Pebbles expanded clay balls with 40% Premium Cocos coir, offering a versatile, aerated, and perfectly balanced substrate for recirculating irrigation systems or potting. The fully washed and buffered coco coir guarantees controlled, residue free nutrient absorption, with a low initial EC value. This reduces the risk of nutrient lockout and