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Re: [APD] CO2 not dissolving
jebrady7 at juno_com at jebrady7 at juno_com wrote:
> I recently went to pressurized system on my 30g, which had been DIY CO2. This
> is a Milwaukee setup complete with SMS 122 pH meter-controlled solenoid.
> Running output into a Hagen 201 powerhead which goes into one of Tom Barr's
> homemade external reactors. Flow rate on the Hagen is around 110gph. Running
> 1 bps, I am getting accumulated gas that almost completely evacuates all water
> from the reactor. I would have thought the flow rate was sufficient to
> dissolve the gas, but evidently not. The only thing I can think of otherwise
> is that I have bad load of CO2 (e.g., not very pure CO2).
Is your pH is dropping down where it should be? If so then it's probably
just as you said: an impure tank. I don't think it'll hurt anything, so long
as you periodically empty the accumulated gas from the reactor. Or you could
get a refill.
On second thought, how fast does the reactor evacuate? If the pH is dropping
as it should be at 1 bps and the reactor chamber is evacuating relatively
quickly, it might be that air is getting in there from somewhere else.
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