Probably not but it doesn't even give you an npk value listed on the bottle; not OMRI. You are better off imo with something like neptunes harvest which I know for sure is safe even at fairly high doses. Even a generic brand liquid fish w/ seaweed like maxicrop is good if has nice low numbers like 1-2-1 or whatever. As a general rule in living soil grows if you have to give a soluble fertilizer try to find something with npk values less than 5.
Unlike bottled "organic nutrient" vendors would like you to think, you don't need as much npk as they wish you would buy. Like I said microbial activity is more important than npk values. Dry amendments given during soil recycles after each run work vastly better and for much longer in your mix than soluble liquids. They will not work though unless you provide a source of microbial activity in the form of compost. This is why the entire nutrient industry exists; its actually hard to keep soil highly active inside a small container over the long term and impossible without a form of compost. You have to keep adding back decomposing organic material to keep your mix going strong, or alternatively provide it in a soluble form.
Most of my mix is just homemade worm castings and perlite. Started out with FFOF soil and kept on amending it. At each recycle I add more ewc, chicken manure, and crushed oyster shell; Dolomite lime and garden gypsum once or twice a year. Soil just gets better and better with age. If plants begin to look pale and I can't transplant them I just give them neptunes harvest and/or top dress with ewc as needed. Having a worm factory makes things super easy and worry free; it's the compost that drives every thing else. It's like magic.. the worm leacheate that comes off the bottom makes them pray to me in homage.
