pinkfloydpuffer

Can CO2 be added to a tank by sprinkling in baking soda?

For my case, it'll be a brackish tank with lowlight plants, in 2WPG.
Thanks

pinkfloydpuffer

Nevermind, I thought it was impossible, and now I'm sure. Just a random idea my dad had. lol

pepetj

I don't see why not using a DIY CO2 generator: 2L (2cups sugar+1/2 teaspoon yeast+1/4 teaspoon baking soda+ fill with water until the upper curve of the bottle) soda bottle (sterilize with hot water first) +Plastic only check valve+ 20 oz. gas separator soda bottle (also sterilize first)+ a DIY CO2 reactor (e.g with Hagen Elite mini underwater filter) + a DIY CO2 drop checker.

Fun to do, I have three 2L bottles for CO2 generator, and used another small underwater filter as reactor to inject CO2 in my 4 footer, 45gal +10gal (sump) Rainbowfish heavily planted tank.

A simpler design, as the one I recommend for your brackish 20gal tank, I use in my Angelfish tank. As long as you keep your water GH and KH within safe range, I see no problems in using constant CO2 injection of this kind.

An alternative way of "adding CO2" is by using Seachem's Excel product.

Pepe
Santo Domingo