geo 618 help , no co2

sean2sean · 07/17/2010, 12:52 PM

i have a geo 618 that i got from so cal tropical. it has been running great for the past 6 month. but im not sure why i just recently notice that there is no co2 going into the bubble counter.

so i checked the co2 tank and it is still full. i have a 20lb tank. and pressure is at 1200 and 6psi.

i have my reactor plumbed with a manifold from my main return pump.

when the return pump is off. i am able to blow through the tube and the check valve where usually the co2 tank is connected (bubbles would appear in the bubble counter).

but when the return pump is on, i cannot blow through it.

there seems too be too much pressure.

is there a solution to the problem?

thanks!

dochou · 04/02/2013, 08:42 PM

I have the same problem. Did you ever figure out how to fix this problem?
thanks.

chadfarmer · 04/02/2013, 09:35 PM

regulator? problem

can u turn down the flow to the reactor

fishyguy7 · 04/02/2013, 10:15 PM

if you can blow through the CO2 line and check valve then my guess would be too much water pressure in chamber. what kind of pump are you using to feed the reactor

07/17/2010, 12:52 PM	#1
sean2sean Registered Member Join Date: Jun 2002 Location: El Monte, CA Posts: 722	geo 618 help , no co2 i have a geo 618 that i got from so cal tropical. it has been running great for the past 6 month. but im not sure why i just recently notice that there is no co2 going into the bubble counter. so i checked the co2 tank and it is still full. i have a 20lb tank. and pressure is at 1200 and 6psi. i have my reactor plumbed with a manifold from my main return pump. when the return pump is off. i am able to blow through the tube and the check valve where usually the co2 tank is connected (bubbles would appear in the bubble counter). but when the return pump is on, i cannot blow through it. there seems too be too much pressure. is there a solution to the problem? thanks!

04/02/2013, 09:35 PM	#3
chadfarmer Premium Member Join Date: Aug 2004 Location: ST Charles, MO far from nanook Posts: 11,045 Blog Entries: 1	regulator? problem can u turn down the flow to the reactor __________________ If you think you know the answer than ask 3 more people the question Current Tank Info: 200 Gal RR,ATB medium, 4 AI blue sol,230 LBS LIVE ROCK, no sand , 40 GAL sump, airstar1800, 3 tunze 6105 1- 6205 1-6305, Geo 818, profilux3ex with toys

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04/02/2013, 08:42 PM	#2
dochou Registered Member Join Date: Oct 2000 Location: Hillsborough, CA Posts: 564	I have the same problem. Did you ever figure out how to fix this problem? thanks.

04/02/2013, 10:15 PM	#4
fishyguy7 Registered Member Join Date: Jun 2009 Location: Fort Collins,CO Posts: 426	if you can blow through the CO2 line and check valve then my guess would be too much water pressure in chamber. what kind of pump are you using to feed the reactor