It has some, but not like other soils that already have a bunch added to it. It is pretty much mostly peet moss. It works out much better mixed with 8 cups of perlite and 8 cups of jiffy mix to every 40lb bag of hyponex.
As I said, just buy some MG all purpose liquid fert (NPK 28-18-6.. I think) and feed according to the directions for indoor plants. Or if you want to be really safe feed them ALASKA Fish Emulsion (NPK 5-1-1) You will get the feel for it in time as you grow, just start out with 1/8 of the recommended dose.
It would also be wise to read pretty much everything in the grow FAQ before getting too far along. You will need to make sure you have much more than just the right potting soil. Honestly as long as the plant is getting what it needs it doesn't care what the hell soil its in. Hope that helps.
You can go from this:
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To This:
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Grow/Smoke on