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I'm trying out passive hydro to see how it works vs container. Can I put a sprout directly into clay pebbles in a net cup or do I need to wait until it has more established roots and/or use something like rockwool to hold it until the roots can touch the water?
Also, does depth of the container matter much? Would a 5 short and wide 5 gallon work the same as a 5 gallon bucket?
