CO2 diffuser pump problem

elite2468

AC Members
Nov 30, 2006
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I just purchased the Turbo CO2 Bio System about 3 days ago. I have the diffuser pump on a timer in sync with the tank light. The Reactor is connected to the pump through a tube and the pump sucks the CO2 from the reactor which then diffuses the bubbles out into the tank. The last few days I wake up to hear the pump loud and I can hear it is on, but there are no bubbles being pushed out the front. I then put my hand in the tank and take the pump off the tank wall and tilt it to its side and I see big air bubbles coming out from the back vents on the pump. After they came out and I turn the pump back on it works perfect. It is only when there is a long pause between the pump being off and then back on again in 9 hours that the pump seems to get backed up with bubbled in the vent. I had the pump near the filter and I moved it to the other side of the tank to see if this helps. I guess i will find out tomorrow, but let me know if anyone knows more about this.

I know this is really random. I hope someone can help me out. thanks
 
Maybe try running your CO2 24/7. Shutting it down at night can cause a pH rise, and then a drop when it kicks back on. My guess is that the pump doesn't suck the CO2 out of the reactor, but pumps freshwater to be mixed with the CO2. Since the CO2 is being produced constantly the pressure is forcing it into the pump causing an air lock.

SKEL
 
Will running the pump 24/7 in a 10 gallon be ok for the fish? I am new to this so I just want to make sure.
 
The fish will be fine. CO2 and O2 are independent of each other. So just because you have more C02 dissolved in the water, doesn't mean there is less O2. What I do at night is run a air pump. This helps elevate the O2 levels. Then when the lights kick on the air shuts off, and the plants take over the job of O2 production.

You can tell if there is too much CO2 and not enough O2 if the fish are at the surface gasping for air.

SKEL
 
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