My DIY CO2 it's not producing bubbles.
Simple setup I thought. Two generators, tubes into the middle bottle, their tubes get about an inch into the water (wanted to count bubbles), middle bottle runs up to the tank, through a check valve.
Each bottle had a cup of sugar, and 1/8tsp yeast.
Been waiting for four hours with nothing happening.
The tubing fit VERY snug, needed pliers to get it through the 3/16" holes, but it's not pinched shut, so I don't think there are leaks.
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