Re:CO2 advice please

[Jim Spencer <jimsp at yahoo_com>]

Dennis wrote
>
>However with the move to sponge filters I need another way to get the
CO2 into the water that is more efficient than bubbling it through an
air stone.  Does anyone have any suggestions here?
>

The simplest way to get the CO2 into the water is to use a dome. You
just trap the bubbles that don't dissolve to give them time to
dissolve.  For my 55g I cut a 3 1/2" square plastic food container
down to about 1" deep. Using 2 suction cups I held it inverted near
the top in the back corner of the tank and placed by CO2 source under
it.  For smaller tanks I used domes with smaller areas.  In time air
will collect in the dome and you may want to release it.  However, I
found that because of the high solubility of the CO2 it's really not
necessary to release this air.


==
Jim Spencer
Sayre, PA



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