I love my new flood and drain system (or ebb and flow). Here are 5 reasons why it is AWESOME, and a couple reasons why it may not work for you. My spinach turned out amazing btw…
Stuff to build it:

I use General Hydroponics 3 part fertilizer:
https://amzn.to/2EgSPz8
Masonry Tub:
https://amzn.to/2PyVZAh
Clay pebbles (you can use any medium..I used these):
https://amzn.to/2LgP1Qa
My water pump:
https://amzn.to/2Le0pfr
I used clear tubing. Black may be better. If you use the pump above, you need 1/2″ ID tubing
clear: https://amzn.to/2LekvWY
black: https://amzn.to/2ElBKnF
TDS meter (for measuring the nutrient content of your solution)
https://amzn.to/2EyMLTw
Freaking awesome knife to use in the garden:
https://amzn.to/2LmwhyN
Old Planty
