c02 diffusion

[fishdude92]

What kind of diffusion did you use and what results did it give you?
I just newly set up a planted 20 gallon aquarium and i need to know which way of diffusion is the best to use on a diy reactor.

 

[djlen]

You want to use the method of diffusion that injects the smallest bubbles into the water table.
The smaller the bubbles, the more bubble surface that's exposed to the water and the greater the absorption. Misted bubbles, in many cases will be entirely absorbed before reaching the surface where the leftover bubble will release into the atmosphere.
I use a power head directed down and into the path of the return flow of my cannister filters, to keep the mist it produces in the water as long as possible.

Len

 

[justintoxicated]

Get something like a Hagen bubble counter for DIY Co2, the bubbles harly every make it to the top before they are completly diffused in the water, other than upon initial setup.

 

[fishdude92]

Get something like a Hagen bubble counter for DIY Co2, the bubbles harly every make it to the top before they are completly diffused in the water, other than upon initial setup.

since i'm new with co2, you're telling me that the co2 bubbles will actually disappear into the water?

 

[justintoxicated]

yea mine do, or they are at least 95% gone by the time they reach the top of the counter. usualy the last 5% will disipate in the water at the top of the counter as well.

However sometimes they build up fast enough to float up to the top of the tank. Say 100 bubbles out the base will eventualy build up in the top big enough escape the counter (about the size of the bubble that origionaly enters the counter). It depends on the rate of the bubbles coming from the canister.

 

[wesleydnunder]

I use a limewood block. It makes a very fine mist that rises in front of my filter output and is swirled through the tank.

Mark

 

[quenton]

since i'm new with co2, you're telling me that the co2 bubbles will actually disappear into the water?

Mine seem to reduce by about 80% -- the remainder flow up and into an inverted platic tub (got that from an old co2 fiz-factory). Even that would fill and overflow after 24h -- so I not point the output of a small powerhead (600gph) across the surface of the co2 under that platic tub. Adding that powerhead reduced by pH by 0.2.