Wicking tubs - Growing with Leon

So, I was cruising YouTube and found Leon. What a wonderful character.

He uses “wicking tubs” - basically, large containers with a space in the bottom that allows soil to wick up water from the bottom.

Anybody here try these for their outdoor grows?

I really like how they

  1. allow for big grows
  2. self-water
  3. don’t drown the plant

I want to make sure these are appropriate for cannabis.

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My father in law does these for tomatoes. Grows GIANT tomato plants. He did have problems with the water getting HOT!! It was southern Oklahoma though.