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Re: Needle valves in CO2 systems poll
"D0N Dee" <d0ndee at hotmail_com> wrote:
1)Describe your CO2 setup.
Dave G.'s system as out of the box. The diffuser is set under the filter
return outlet in such a way that the water current blows the bubbles back
down to the tank bottom, thus increasing the travel time.
2)What valve do you use (company name, part number, etc.)?
3)How long have you been using this type of setup?
10 momths. Cleaned disk only once. No other maintenance ever except an
occasional glance at the gauges. Regulator set at 9 psi, 40 bubbles/min.
No matter how the bubbles come out of the diffuser (many tiny smokish ones,
or a single "line" of largish ones) the CO2 level in the tank (46 gal) is
always around 25-35 ppm (daily excursion). The disk seems to change from
one mode to another periodically, maybe because of uneven bacterial or
4)Have you experienced any problems with this setup?
None except that it is a bit too efficient. The CO2 level is already too
high for the rather low flow rate.
5)If you could change something(s) about your current setup, what would it
Nothing. However, I am going to add CO2 to another tank from the same
regulator, so I will add needle valves (likely from m3) to get some more
control on the flow rates into each tank.
6)What cV flow rates do you use?
Don't know, and don't care.
- Ivo Busko