ASM skimmer sedra 9000 problem

642642 · 01/20/2015, 04:04 PM

Once the water level goes beyond this point, the pump stop producing bubbles and water enters the venturi air tube. The skimmer body itself is a few years old but the pump is brand new. One thing I notice from this pump and the same one seven years ago. (give or take) Is that the venture nipple is larger. I don't know if that could be the problem.

642642 · 01/21/2015, 06:28 AM

Anyone??

viper12775 · 01/21/2015, 09:10 AM

put a valve on the air line and cut down on the air and see if that helps

ca1ore · 01/21/2015, 09:22 AM

Which skimmer body is it? Are you running the recirculation mod? For reasons that I could never really figure out, when I modded my ASM G4 (with a Sedra 9000) to be a recirculater, the venturi stopped sucking air. When I closed off the recirculating mod, it sucked air again. Go figure! If yours does not have the recirculating mod, perhaps its a water level in the sump issue.

642642 · 01/21/2015, 09:49 AM

ASM skimmer G4 with the sedra 9000 recirculating it. Using a Maxijet 1200 as the feed pump. Do you think cutting the air tube shorter would help? I put the water level at 6,8 and 10 inches of water, did the same thing at all those levels.

sirreal63 · 01/21/2015, 10:57 AM

Try taking the venturi off and cleaning out the air port. Over time they tend to calcify and it restricts the air. If it isn't able to pull enough air it will pull more water and do what you are experiencing. The problem isn't too much air, it is not enough air so look for the restriction. I keep a drill bit the same size as the air opening on the venturi and a couple times a year I clean out that area. Vinegar alone may not clean it out, you may have to physically remove the buildup.

642642 · 01/21/2015, 11:15 AM

The thing is this is a brand new pump. First time being in the water...
When ca1ore said that after blocking the inlet it would make bubbles that's the first thing I thought of.

642642 · 01/21/2015, 12:05 PM

Well I got it running now. What I did was took a cap from a juice bottle, cut cap to fit inside the venture, drilled half inch hole in the center of cap, silicone it in. Boom

Thanks for the help guys.

01/21/2015, 09:22 AM	#4
ca1ore Grizzled & Cynical Join Date: Apr 2006 Location: Stamford, CT Posts: 17,319	Which skimmer body is it? Are you running the recirculation mod? For reasons that I could never really figure out, when I modded my ASM G4 (with a Sedra 9000) to be a recirculater, the venturi stopped sucking air. When I closed off the recirculating mod, it sucked air again. Go figure! If yours does not have the recirculating mod, perhaps its a water level in the sump issue. __________________ Simon Got back into the hobby ..... planned to keep it simple ..... yeah, right ..... clearly I need a new plan! Pet peeve: anemones host clowns; clowns do not host anemones! Current Tank Info: 450 Reef; 120 refugium; 60 Frag Tank, 30 Introduction tank; multiple QTs

01/21/2015, 09:49 AM	#5
642642 Registered Member Join Date: Jun 2004 Location: FL Posts: 270	ASM skimmer G4 with the sedra 9000 recirculating it. Using a Maxijet 1200 as the feed pump. Do you think cutting the air tube shorter would help? I put the water level at 6,8 and 10 inches of water, did the same thing at all those levels. Last edited by 642642; 01/21/2015 at 10:02 AM.

01/21/2015, 10:57 AM	#6
sirreal63 Go Spurs Go!!! Join Date: Dec 2004 Location: Meadowlakes Texas Posts: 13,357	Try taking the venturi off and cleaning out the air port. Over time they tend to calcify and it restricts the air. If it isn't able to pull enough air it will pull more water and do what you are experiencing. The problem isn't too much air, it is not enough air so look for the restriction. I keep a drill bit the same size as the air opening on the venturi and a couple times a year I clean out that area. Vinegar alone may not clean it out, you may have to physically remove the buildup. __________________ Jack No One has ever been seriously injured by using the search function. Alcohol, Tobacco and Firearms should be a convenience store, not a government agency. Current Tank Info: Reefing the Pentagon.

01/21/2015, 06:28 AM	#2
642642 Registered Member Join Date: Jun 2004 Location: FL Posts: 270	Anyone??

01/21/2015, 09:10 AM	#3
viper12775 Registered Member Join Date: Sep 2002 Location: clearwater fl Posts: 1,151	put a valve on the air line and cut down on the air and see if that helps

01/21/2015, 11:15 AM	#7
642642 Registered Member Join Date: Jun 2004 Location: FL Posts: 270	The thing is this is a brand new pump. First time being in the water... When ca1ore said that after blocking the inlet it would make bubbles that's the first thing I thought of.