
Originally Posted by
homebrewer
Usually those sorts of products take weeks to work as they need broken down and converted by the micro herd. I've never done this but if you're an organic fanatic, your own urine would green those up (on paper) at a dilution rate of 1:10 urine-to-water. Again, I have not done this (and wouldn't as I have other tools to fix an issue like this), research it a bit if that appeals to you.
If you like GH and aren't such a stickler for 100% organic, GH micro is nearly all nitrate nitrogen and a teaspoon per gallon should be plenty. A few shots of that (assuming your medium is free of salt buildup) will definitely green plants up as I do that myself from time to time.
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