Opus ZERO contains our own special craft cultured compost made of natural materials and brewed using time-honored techniques that take advantage of natural processes and reduce the need for fossil fuels.  This sensational compost blend is Opus’s own recipe - only found in a bag of Opus Grows® Natural & Organic Premium Growing Mix.

Coconut coir, perlite, peat moss, pumice, wood biochar, compost, worm castings, diatomaceous earth, mycorrhizae and natural limestone (for pH adjustment)