Co2 surface bubbles and diffuser question
Okay, so I've got my first co2 tank ever set up. Now.. I'm wondering if all these bubbles on the surface are normal. A lot are collecting on my heater as well, the surface is a bit unsightly like spit. I have the diffuser set under the spray bar, but I'm thinking this is a bad spot.
Would it be better to have the diffuser set near the filter intake so co2 gets sucked in? Also would shortening the length of my canister filter hose raise my gph to get more flow? The filter is about 1 1/2' under the tank but each hose is like 5 ft and winding..
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