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Author Topic: My filter is broken!  (Read 1384 times)

Karma: 2
Posts: 35

My filter is broken!
« on: February 20, 2012, 04:39:22 PM »

My undergravel filter flow has slowed right down. It's a resun dm-800 120 litre with the UGF built in. The gravel is regularly cleaned and the filter plates at the bottom of the tank were taken out and cleaned not two months ago. It's barely even trickling when it should be a proper flow. It's not airstone powered the water is pulled up by a grey box that must contain motor and then sent through the filter box via a power head. The water then comes back down into the tank through the other side.
Full Member

Karma: 56
Posts: 524

Re: My filter is broken!
« Reply #1 on: February 20, 2012, 05:03:10 PM »

Scratch the UGF and get a canister filter. Whatever you decide to do you need to fix the problem ASAP, your tank is too overstocked to go unfiltered even for a short time. I don't know anything about UGFs but maybe cleaning it would help?
Hero Member

Karma: 481
Posts: 5469

Re: My filter is broken!
« Reply #2 on: February 22, 2012, 04:46:44 AM »

It may be clogged or something, you know, small gravel fragments may have filled the holes in the plate. Either way, just get it exchanged, throw it out and never think about using a UG filter again. They really aren't suitable for goldfish and won't do anything but collect more dirt in the gravel than necessary. They were pretty common at one point, but should really be avoided in my opinion Smiley
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