Coconut coir fiber, pumice, perlite, organic compost, worm castings, wood biochar, diatomaceous earth, natural limestone, fish bone meal, bat guano, feather meal, blood meal, alfalfa meal, shrimp meal, humic acid, basalt rock dust, and kelp meal with mycorrhizae.
Opus Grows with Coco for better water hold. Mix #2 gives Opus just a bit more water holding capacity when needed during dry spells or off seasons. Quench your growth in any climate with a little tropical secret he found in the coconut shell. With Opus Grows comes Mycorrhizae and a shot of Bio-Tope to create a biologically-enhanced mix that helps your plants establish and maintain a savory environment for microbial populations in your growing mix.