I am using this or the peruvian high P.
Which ever the hydro Sto has,only 2.2lbs for 11.99.Great stuff,for flowering.
This is some awesome stuff from Home Depot.The Jobes Biozome a family of microorganisms-bacteria,mycorrhizal fungi and archaea-that will expedite nutrient breakdown for efficient absorption by the plant's roots.
This for Vegging.2lbs 11.00 USD.
Beech
ps.This stuff minus the High N guano makes a great tea for Flowering,I use Fish emulsion a few times during flowering,to prevent early yellowing of fan leafs.