Hydro to Soil / University Tested / Bloom Enhancer MAMMOTH P the first organically derived microbial inoculant that maximizes phosphorus and micronutrient cycling to maximize bud growth, increase yield and enhance plant health. Gives a 16% Increase in bud yield, 6% Increase in stem strength.For use during vegetative and flowering stages in all media - from hydroponic to organic potting mixtures to soils.