10 gal is fine for mothers
Sips mimic nature. The resi and wicking pot or medium acts as the water table below the ground surface wicking water up through soil to trees and plants in the wild.
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Yes i have worms in my pots and i top water when the top layer dries a bit. But i water just enough to wet the top layer.
I add a splash of labs and flower power to the resi. Top feed every 4 -5 days. Each time alternate water, labs, flower power. Sometimes swap plain water for sst. If i don't have any malted barley seed to top dress.
For veg i just top homemade castings
Occasional alfalfa / kelp tea.