HockiumGuru

went to the lps but couldn't find a model by that exact name, however there were some hagen elite underwater 799/800/802/etc, but these models were a bluish colour... are they the same thing, and if so which should i get to pull this off?

 

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OperJeff

those are air pumps, and are not what you want for this. a very small powerhead will also do the trick if you cannot find the elite underwater filter

Freon

I will be setting up my first 90 gallon CO2 tank soon. Let's say I bought two of these "reactors" and tee'd off the air tubing to each filter in opposite corners. Wouldn't the gas take the path of least resistance and go to the closest filter?

niko

Freon,

Dividing the gas flow is a headache. It may work for some time and then one sunny day it will feed only one of the lines. Any adjustments are a pain too.

You can try regulating the flow with a cheap plastic air valve. But I'd rather have only one of these pumps/reactors. It will be sufficient for a 90 gal. tank, I'm pretty sure. If it's not then get a bigger powerhead and cover the outflow with a sponge. Same principle but more flow. That will definitely work.

--Nikolay

Freon

I read earlier that it would not be big enough. Who knows. Thanks for the tip Niko

HockiumGuru

finally found the unit described here, easy mod, and whala, my tank is taking off!

Thanks for posting this!

ericpop27

I let my current setup (running the tube into my existing filter's intake tube) run for two weeks. Only a marginal improvement.

I went to Petco today and purchased the Elite Mini for $9.99. I am about to set it up. I'll update in a few minutes to see how it's going.

ericpop27

Well, the first pump I bought was missing the outlet and venturi bit, so I went back and exchanged it.

I have it set up now with the sponge on the outside. I put it on full power and then took the flow valve adjuster off. It's counting bubbles perfectly and it's misting very well. Most of the bubbles are being held and dissolved in the sponge. Can't wait to see the response from my plants.

Brendan Redler

I just bought this setup and put it in action. seems to work very well!

The only thing I might do is to put finer sponge on so as to trap the bubbles better. That way they will have more time to dissolve.

Turtl3boy21

Am i the only one that does not use the sponge with this?

I just let the bubbles squirt out and move around the tank by the diffuser's pump and my filters flow. That way, some of the bubbles catch on the leaves and they plants get c02.

Does putting a sponge over it and making it dissolve help it even more?

 

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