Sounds promising.. I'm gonna do a little research on how to set up the citric acid method but I'm sure I'll have questions soon
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One thing I wished I hadn't cheaped out on is the needle valve, being that it's the only mechanical part I should have gone with something that isn't so touchy. I went with a $8 needle valve from Home Depot, it works, but it's a test in patience to get it at the right bubble count. Also, imo, a bubble counter is necessary. I'll have the output tubing of the co2 jammed in the filter intake and I'm constantly checking if it's working. This gets rough when you have 4 DIY co2 generators running.
Cha boi Jessie.