I have a new experiment going on in the garden. I have some tomato seedlings that I've decided to grow hydroponically with no media in a Kratky style tote. For those unfamiliar, the idea is to fill the reservoir (tote) with nutrient solution to just where the bottom roots are. As the roots grow they will absorb water, nutrients and oxygen from the water, as the water level drops the exposed roots will absorb oxygen, having greatly reduced the amount of dissolved oxygen in the water. The method requires no electricity (airpumps/airstones) and is meant to be "set it and forget it".
Here we have two totes set up with 2 plants each. Toronjiña f1 on the left, Red Brandywine on the right.
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This is where the seedlings are right now.
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So here we go.