Heat in my grow room is becoming a big problem

[DRM Ranch]

I love the brick one, if you can find Porotherm bricks that might actually be a fun project.

 

[Guy Cavallero]

You could try to make an air conditioner from a brick!

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Haha.. I thought it was a joke and didn't look at it until today. Great idea too, I thought the brick was actually resting on top of the cat in the preview.