| | Re: Tiny super efficient CO2 reactor
Well, I ordered 4 of them! They are on sale right now for $7.49 until 10/5 AND the shipping for multiples isn't much more than for just one. I am going to put one on each side of my 75 gallon with 4 2L CO2s and use the other two in my smaller tanks for better circulation. I'm so excited!!