Potting mixes, coco and hydro For Cannabis

Composted Bark Fines in Cannabis Mixes: Pine Bark for Structure and Air

Pine bark fines add structure and air to cannabis potting mixes. See why composted bark beats fresh bark and what portion of a blend it should fill.

A peat free potting mix swaps peat moss for coir, compost, bark or wood fiber. See why growers switch and a simple blend for cannabis pots.

Clay pebbles are fired clay balls for hydroponic cannabis grows. Learn how they handle water and air, how to rinse them and when they fit best.

Lava rock adds weight, air and drainage to cannabis containers. See how to screen, rinse and blend it into a mix and why a bottom layer fails.

Parboiled rice hulls add drainage and air space to cannabis potting mixes. Learn how they compare with perlite and what share of the mix to use.

Pumice is a porous volcanic rock that adds air and drainage to cannabis potting mixes. See how it compares with perlite and what share to blend in.

An aquaponics cannabis setup links a fish tank to a hydroponic grow bed. Fish waste releases ammonia, nitrifying bacteria turn

Peat moss cannabis guide: what sphagnum peat is, why it holds so much water, how it compares with coir, and why peat mixes are limed before planting.

Perlite adds air, while vermiculite holds water and nutrients. Learn how each changes a cannabis mix, what research used, and how growers choose.