Flood and drain is the backbone of home Aquaponics systems, and the most commonly employed method of delivering nutrient and water to the vegetables and to filter the water for the fish.
How best to create the flood and drain cycle is a matter of much discussion.
Domestic or home based Flood and Drain Aquaponics systems consist of ;
1… A fish tank
2… Grow beds
3… Pump/s pipes and other assorted plumbing fittings.
4… Some type of device or method to create the flood and drain cycle.
How best to create the flood and drain cycle.
There are three ways this can be done.
1… Float switches
2… Timers
3… Auto siphons.
Flood and Drain using float switches. It does work, but there are better ways.
Go here to Read More