Anyone tried these in hydroponics? They are cheap, water soluble, and have micro-nutrients.
Grow Fine Plant Foods:
Tomato 16-19-29
Roses 32-10-10
All Purpose 24-8-16
Bloom 10-54-10
They're only 2.99 per 1.5lbs, so i was kinda curious. If anything else, I'd try them on my "other" hydro...