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Discussion Starter #1
Hi,

I have the Fluval Accent 25g aquarium and it was running well for the first 4 days after setup. Note that i did cap off the venturi tube so that it is no longer adding oxygen (bubbles) to the output and this has been this way and running well since setup. Around day 5, I heard water flowing into the middle chamber and bubbles were coming from the output. I checked the filter setup and the middle chamber water level had dropped around 2 inches exposing the plastic static tube that connects to the output allowing air to enter the output. I am not sure as to why the water level dropped.

The only way i see to make the water level normalize and increase, is to lift the filter a centimeter or so to allow for extra flow. However, this will add unfiltered water to the mixture. Has anyone else experienced this? I am going to remove the entire filter mechanism tomorrow to make sure i did not miss anything in the setup, check for clogs...etc but in the meantime thought i would see if anyone else may be experiencing the same issue.

I know the Accent is new to market so there may not be a lot out there but if you can relate this to a different filter setup, any advice would be appreciated. I am new to how aquarium filters function.

Thanks for reading,

Consp
 

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Discussion Starter #2
Update:

Removed the filter and saw nothing wrong and nothing clogged. Reinstalled and it is now working as designed. Maybe an air bubble in the bio ball tank was causing the issue... Not sure.

Consp
 

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If you find out anything on that issue, please post. Just bought one of these for my daughter and am getting close to filling it up !
 

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Discussion Starter #4
Been running fine since i took it apart and put it back together. I am going to assume at this point that there was an air pocket in one of the chambers. Best of luck, it is a really cool system. If you do not want the bubbles from the pump output, just clamp the Venturi tube to disallow air flow and keep it plugged in.

Consp
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Discussion Starter #5 (Edited)
Spoke to soon. Still having the same issue. I would like to hear if anyone else is experiencing this and if you have found a solution.

I emailed Hagen and will see what they say.

Thanks,

Consp
 

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Spoke to soon. Still having the same issue. I would like to hear if anyone else is experiencing this and if you have found a solution.

I emailed Hagen and will see what they say.

Thanks,

Consp
Did you find a solution from Hagen? I am seeing the same issue. Looks like it may be due to low flow. I am noticing water is not able to pass through the filter due to lack of suction so the water level in the middle chamber start to fall down, but there is a small hole on the opposite side of the filter at a lower level were the water flows in thus water level maintain at that level as it’s a smaller hole. For testing I swapped the pump with a higher flow rating ( Marineland Maxi 900) water level never fell down plus the aquarium was crystal clear. I have contacted Hagen with this issue but not heard back
 

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Discussion Starter #7
No, just emailed them again. They reached back out to me a few weeks ago but i did not respond. Interesting that a stronger pump fixes it. Which model did you use?

Is it the 10 watt 247 GPH?

Thanks,

Consp
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I am having the same issue. I replaced the filter after only one week and the problem stopped for a few days, but started right back up. I wonder if it has to do with the filter getting dirty?

If anyone hears anything please share!
 

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I spoke to a sales associate at an aquarium store about the Fluval Accent and he says that if the screen filter gets plugged up and this is when the problems persist. I took my screen filter out and have been running it with out since it has the normal filter built in, and problem seems to be solved.

My guess is Fluval needs to redesign the filters screens as they get plugged up way to easy. Can still use them to filter for a few days but once sound starts its wash the screen filter or replace.
 

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Discussion Starter #10
Hi, can you elaborate on exactly what you did? Did you remove the filter that slides in next to the heater? And you mention a built in filter, where is this located? Thanks, spoke with Fluval again today and they are waiting for a response from their development team in Canada.
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Hi,

I removed the filter cartage which slides in as it still has the biological filter. Solved the noise, and pump problem.

I am curious to hear what hagen has to say as their customer support said they would get back to us two days ago by e-mail and still no reply. I dont know if my Idea is the best but until they give a option seems to work. I am 100% the problem is the filter cartridge gets clogged really easily and plugs up.
 

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Update...

So we put in a new filter and put the white side of the filter facing away from the middle. bellow where the heater goes at the bottom of the heater we put in foam cube filter to help stop larger matter from going where the motor is...this seams to be stopping the filter from getting blocked. I will work on figuring what the white foam block is called but I think it is just a type of fillter.

Fluval customer service contacted us and is sending us a new motor for our tank. Not sure if it is more powerful or what is going to happen as the motor seems to work fine.
 

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Discussion Starter #13
They are sending me a new pump as well. Should be here this week sometime. In the interim to try and stop the brown algae invasion, i did some additional water testing for phosphates and silicates. Phosphates were minimal but the silicate reading is 8. I purchased phos-zorb and a small separate mesh media bag from the pet store. Opened the phos-zorb and added about half to the media bag which is long and skinny. It fit nicely next to the heater. The algae is disappearing and so far, no new algae to be found. I will retest the silicate levels this week.

Trout12... You mentioned pacing the filter with the white part away from the middle. I think this is how the instructions say it should be?? White part facing the heater.

While waiting for the new pump, I installed a marineland 900 with roughly double the gph rating. The water level has not dropped. I dont think this is a long term solution since the pump output is so high it moves the water a little too much and pushes the fish around if they are anywhere near the top.

Will be installing the new pump this week and will report results.
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Discussion Starter #14
FYI... The fluval factory pump is rated at 132g per hour or 500l per hour.
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Discussion Starter #15
The new pump came today from Hagen. Did a python water change and switched from the loud and powerful marineland 900 to the quiet fluval. I did NOT change the filter or make any additional modifications. Only changed the pump. The water level in the center chamber is now at normal levels. I plan on watching this for the next 5 days to see if it remains level. Curious to find out if anyone else made the switch and what your experience is. Please post with updates.

Thanks,

Consp
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Same Issues ~ Very Disappointed

Unfortunately we are having the same problem... :( Water level goes low in center section constantly. Very disappointing as I talked my daughter into this tank setup due to the easy maintenance feature and the great success we had/have with our other Fluval tanks. (Spec 3)
what we do (she does) is pull out the filter cartridge and puts it in the bucket, takes it to utility sink in laundry room and cleans it with a small brush. replace in filter and it works great for a few days. Then she has to repeat the process. there is only 6 small fish in the tank and she has been around aquariums for 10 years-- I know she is not feeding them too much.
Now we have noticed the water in that tank has a noticeable odor. Not happy with the filter setup at all.
I really am considering taking the whole unit out of tank and seeing how well and how big of a Marineland BioWheel filter will fit on back of tank in that opening. I know I will loose the easy water change feature but am so done with the noise and lack of filtration -
UGH
Any updates from other Fluval Accent users ?
 

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Same problem

I have the same problem, cartridge filter gets clogged real fast (on the 4th filter after almost one month), water level of middle chamber drops, and the water gets dirty and smelly. This is really frustrating :cry: considering I could have purchased a bigger tank for less money. I have sent a message to Fluval, let's see what they say ..
 

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Any Updates from Fluval ?

Just wondering what if anything has been heard from Fluval concerning this?
I am so disappointed that I spent that much money for this setup and am currently only using the tank w/ hood, and stand. I had to take all the rest of the stuff out -
a Marinland Penguin Bio Wheel 150 fit right on the back of the aquarium in the spot where defective Fluval was. I neatly cut the back cover piece to clear. Also replaced non adjustable heater that came with it - Tank was in bad shape at that point and went down hill with the changes briefly. Bacteria bloom, Green water... just one thing after the other. I finally broke down and bought a UV light ... The Green Killing machine. Took one week with UV running but tank is FINALLY sparkling clear -
Let me know if anyone is interested I could post some pics....
I really feel that I bought a lemon... :-(
 

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Just wondering what if anything has been heard from Fluval concerning this?
I am so disappointed that I spent that much money for this setup and am currently only using the tank w/ hood, and stand. I had to take all the rest of the stuff out -
a Marinland Penguin Bio Wheel 150 fit right on the back of the aquarium in the spot where defective Fluval was. I neatly cut the back cover piece to clear. Also replaced non adjustable heater that came with it - Tank was in bad shape at that point and went down hill with the changes briefly. Bacteria bloom, Green water... just one thing after the other. I finally broke down and bought a UV light ... The Green Killing machine. Took one week with UV running but tank is FINALLY sparkling clear -
Let me know if anyone is interested I could post some pics....
I really feel that I bought a lemon... :-(
Hi,
I got a reply from them:
..... We have found that the filter cartridges for the Fluval U4 filter, item A492, work very well with the Accent. ....

It seems to be too late for you, but hopefully me and others we don't have to go the the extreme of modding a brand new system. Anyway, given the situation, I have VERY low expectations about this alternative cartridge... once I get one and test it I will report back.
 
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