Join Date: Mar 2014
Location: Grand Rapids, MI
My diffuser can pop off too, but I have to say once it gets going, the diffuser's bubbles are incredibly fine to the point you have to really try to see the bubbles. Mine takes quite a bit of tweaking too, with a wrench, especially on replacement tanks, but it works pretty well once it's going, I also noticed at the end of the tank, there was no "dump". Mine is on a 40 gallon long, but that tank was our first shot at live plants AND co2 so we wanted a cheap temporary system before we dove into a full CO2 setup. The tanks really aren't all that bad, at $10 dollars at Petco. My regulator is touchy, but does not leak, and once I get it set, it works well, though I have it running 24 hours as it's a pain in the butt to get set right, and with so many powerheads on my tank, it needs to compete. It was worth it to me. (Oh and I have the Ista not Fluval.)
If I do eventually get a full setup, I am keeping the diffuser, once you get it all going, it runs beautifully! And the way it's setup to keep the hose from kinking is awesome too.