on a smaller scale you can do an aerated compost tea. compost(bacteria) + water + molases(food) + fish tank air stone to oxygenate/mix. if smells sweet its good. if it smells bad, you messed up - dont use.
on a smaller scale you can do an aerated compost tea. compost(bacteria) + water + molases(food) + fish tank air stone to oxygenate/mix. if smells sweet its good. if it smells bad, you messed up - dont use.