this has a lid on the cool water with a hole that goes back into the grow
Here's a way to add a co2 dispenser.
I know you guys think I'm crazy, but that wont work either. No replenisment of c02 and 02. You'll just end up with N, the most prevalent component of air.![]()
When I get rich with this product I am giving one to each of one you for free.![]()