by Larry Moore
(Toledo Oh.)
I have built an ebb and flow system with 12 Gal in the nutrient tank. I would like to make compost tea from real backyard compost to use for the solution. Question is how much do I add to the tank? Also to what level should the solution come up to on the plant basket when flooding? I am growing herbs. Legal ones.LOL
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Answer from Stella/Simon:
Hi Larry,
Although hydroponics lends itself wonderfully to experimentation and "recycling", we have never tried compost tea.
Why? Since there is no soil involved in hydro, only inert supportive materials like perlite and coco coir, you must supply your plants with the full spectrum of macro and micro nutrients they require, and in the proper ratios. (For a thorough discussion, read this page):
It might be hard to give your plants all that they need with compost tea; but give it a try if you want, might work.
As far as how high to flood the pots, just so the bottoms are submerged and the medium inside the pots wick up the solution (maybe 1/4th way up the pot minimum).
Hope this helps!
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