Humic/Fulvic Acid 0 0 Humic/Fulvic Acids is one of the components for IMO 4. I would like to use that component when I mix my IMO 4. Can you recommend a recipe or a commercial resource. Thanks, Soil Structure Management Humic Acids Share Facebook Twitter Google+ Tumblr LinkedIn Mail Catalinus1 asked 5 years ago You must login to post comments Answers (1) Filter Sort by: Most Votes Newest FirstOldest FirstRandomRecently Active Post Answer Keyword Match all Match any Accepted/Unaccepted Show accepted answers only 0 0 Worm casting or worm tea from a worm bin are full of humic and fulvic acids. Tom Humphrey answered 5 years ago You must login to post comments Showing 1 result Your Answer Please login first to submit.