Fluctating CO2

sisko

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6 Jul 2008
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Sometimes when the CO2 turns on the bubbles come around 1 bps and sometimes 2-3 bps. Do you think it's the needle valve or maybe the solenoid? I'm using normal silicone airline, can that be the problem? Don't use diffuser, a pump breaks the bubbles.
 

Stu Worrall

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solenoid should just be on/off so maybe it is your needle valve. Id also get some proper co2 hose as you muight find the normal airline will leak after a while.
 

LondonDragon

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I run my CO2 without a diffusor too, I use the Hydor mini pump to diffuse the CO2. My bubble counter is sofast that I can't even count how much co2 is put into the tank in terms of bps. I think this happens as there is no pressure in the tubbing. Do you have a drop checker in the tank? what does that tell you?
 

sisko

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6 Jul 2008
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London, UK
Yes I have a drop checker which is always green. I have a new plant in the tank, a Hygrophila difformis and the leafs are hardly distorted. Some other plants look a bit weird too. The dosage should be fine that's why I'm suspecting CO2 problems. I guess I'll wait another few days see how it grows than invest some money in a new needle vale and proper tubing. :D
 

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