Make an overflow tube in both flood trays of course.
Diy flood and drain bucket system.
The modular or bucket flood and drain system works pretty similarly.
In a recirculating system the buckets are irrigated and drain into a return line a pvc line at a tilt that brings water back to the reservoir for reuse.
The parts are all easy to get except the flood and drain fittings can be a little tricky to find sometimes.
The pump is set on a timer that comes on every few hours or minutes depending on the type of plants and the humidity.
To build flood drain hydroponics you begin at the bottom.
The main difference is that it doesn t make use one of a single large table for the flooding rather each plant sits in their own pot.
For a homemade hydroponics flood and drain system you will need two sturdy plastic storage totes an aquarium air pump an aquarium water pump a timer a set of flood and drain fittings and a short length of plastic tubing.
Nutrients and water flood the tray and submerge the roots.
I fixed the problem using a bottom drain fitting which alone helps but also use a treated.
A home build flood and drain hydroponics systems can be made to just about any practical size needed and works great with a wide variety of crops affordable and reliable the pick up truck of hydroponics systems.
It should have a lid.
This is the type of system in the video below.
Each pot has a supply tube connected to it that leads from the bottom of the pot into a so called control bucket.
This is a flood and drain or ebb and flow system.
Assemble the frame and reservoir tank of the bottom part which is leveled to the floor or ground of your chosen location.
The plants are housed in net cups filled with some growing medium.
This diy plan is a very flexible system that can be moved around quite a lot.
Connect all the tubing.
Then the tray drains so air can circulate around the roots.
I chose the ebb and flow because.
I would always get one two or more plants turn yellow pretty bad three weeks or so before harvest.
Place the tank into the bottom frame and cover with the lid.
Place the reservoir nearby optimally below the flood trays fill it with water and connect to the water and air pumps.
Ya i know what you mean there red i really haven t had any leaks or many mishaps but i did almost change from buckets to a table because i couldn t stop the roots from plugging my fill n drain hole.