98% porous fiber substrate with extremely low bulk density
THE ULTIMATE GROWING MEDIA SUBSTRATE The first substantial substrate innovation in almost 45 years, HydraFiber® is an approximately 98% porous fiber substrate with extremely low bulk...
THE ULTIMATE GROWING MEDIA SUBSTRATE The first substantial substrate innovation in almost 45 years, HydraFiber® is an approximately 98% porous fiber substrate with extremely low bulk density. HydraFiber is manufactured with our unique Thermally Refined® process that combines wood and bark and refines them in a pressurized vessel to create singulated, small-diameter, long, thin...