I feed 5 times a day, 30 min floods..
But I stack cubes.
When u stack them, the bottom cubes pulls the water from the top cube like a vacuum.
By doing so, the top cube drys fast, but stays moist, which is ideal.
Hydro plants like wet feet, but moist middle top sections. If the crown is too wet it causes crown rot, root rot and all kinds of issues.
A good way to soak cubes and get them perfect, is to dunk the cubes them stack them. I usually stack them about 6 cubes high, the bottom cubes will b soaked, but the top 5 will be perfect. The bottom cubes pulls water out and oxygen in .
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