Nikhil Posted August 31 Share Posted August 31 Could anyone send like a materials list and detailed recipe about how to make a co2 generator for a 4 gal cube, including like ingredients and materials. Thanks so much! 1 Link to comment Share on other sites More sharing options...
Fish Folk Posted August 31 Share Posted August 31 This is messy and always eventually explodes… 🥴 … but here’s one DIY passive CO2 design… 2 Link to comment Share on other sites More sharing options...
Nikhil Posted August 31 Author Share Posted August 31 do u have one that doesn’t explode lol? 🙂 2 Link to comment Share on other sites More sharing options...
Nikhil Posted August 31 Author Share Posted August 31 Anyone? Link to comment Share on other sites More sharing options...
Fish Folk Posted August 31 Share Posted August 31 On 8/31/2024 at 10:46 AM, Nikhil said: do u have one that doesn’t explode lol? 🙂 Look up soda-stream + passive CO2 set up for aquarium. 1 Link to comment Share on other sites More sharing options...
Pepere Posted September 1 Share Posted September 1 My experience is that you can either go with low cost up front and pay much more over time, or you can pay much more for equipment up front and pay far less over time… paying more for equipment up front gives you much more control as well… soda stream canister are fairly expensive for the volume of CO2 you get. citric acid and baking soda is even more expensive for the volume of co2 liberated. sugar and yeast even more expensive per volume co2… going with pressurized tanks, a 20 pound tank costs twice as much to buy the tank up front over a 5 pound tank, but refills are only about 20% more expensive than a 5 pound tank yet you get 4 times as much volume. The cost per volume of a 20 pound tank is so much cheaper than diy options that over time you easily amortize the equipment costs… and a non CO2 injected tank option that is free of visible is also quite feasible though it does impose limits on the plants you can have and or the vibrancy of their colors, lushness… Link to comment Share on other sites More sharing options...
gardenman Posted September 2 Share Posted September 2 For a four-gallon tank, you're not going to need a lot of CO2. I might opt for one of the CO2 generators that retail for around $80 or so. They're made of stainless steel, shouldn't explode, and include a regulator, and solenoid valve so they can be set on timer. They typically come with everything you need to get started and then are refilled with baking soda and citric acid. They're safer than most of the DIY options out there and not much more expensive by the time you add up all the pieces you'll need for a DIY system. Link to comment Share on other sites More sharing options...
Dacotua Posted September 2 Share Posted September 2 (edited) I would not do CO2 on any tank smaller than 20 gallons. If you don't monitor it correctly, you'll CO2 poison all your fish. Edited September 2 by Dacotua Link to comment Share on other sites More sharing options...
Littlefish Posted September 2 Share Posted September 2 My experience with diy citric acid is wild swings in Co2, resulting in algae. No such problems with tanked co2, but it is another thing to tweak and worry about. Link to comment Share on other sites More sharing options...
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