Octopus 150 Help!! Video inside

vyerous

New member
Its an octopus 150 DNW recirculating, over 8 months old and broken in by previous owner.

I have finally finished getting everything together and setup my new 90g over the weekend, everyone is happy and the dust has settled. Now I built a stand for my skimmer because there wasn't enough room in the sump, but I'm having some problems. The skimmer is elevated by about 6 inches above the sump floor and I have the MJ1200 supplying the skimmer while it freely dumps into the sump. My problem right now is that the skimmer is being inconsistent. It will flow some water and produce skimmate, then just dump out, kind of like just running a straight standpipe in the overflow where it has the toilet flushing problem. Could this be from lack of water pressure? The skimmer worked fine when I had it dumping into a bucket, this had never happened, but like I said now that it is in position it is acting up. Is there something wrong? Does the pump need to be larger to account for head loss? I can't remember but I'm pretty sure the distance is even less compared to when it was previously setup so I almost want to rule out the pump being too weak. Any advice is greatly appreciate. Also if I have to put it in the sump what methods to I go about putting it in there? Do I have to take off certain things add certain things. The output tube is not underwater but it is about 2 inches above the water level in the sump. Any help is greatly appreciated.

Here's a video of what I'm talking about, you can see the water level drop with the noise, thus the toilet flushing issue.

 
sounds almost like it siphons its self?is out pipe clear also feed pump may be giving into pressure .fiddle w/output to make sure its its not submerged then try another feed pump or 't'-off overflow w/a valve to regulate hope gets resolved Rich
 
I think right now my only option is another feed pump, I just have to figure out what I can use instead of a MJ1200. I'd use my RIO 1400 but there isn't an attachment to use a 1/2inch hose.

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