Aquaponics: Vegetables and fish protein – family size

The top two inch layer of the media is kept dry to prevent weeds from growing and fungus or harmful bacteria from growing that harm plants. Worms survive the flooding and draining cycle if the oxygen level of the water is high. Total media depth is: 2 inches at top that stays dry and 10 inches that is flooded and drained (by the Bell Siphon). ................
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