classic 150 octopus nwb..

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May 29, 2014
Troy Black wrote
Ok I have one of these in my 90 gallon that works great about 3 years old. Just bought another one for my added 90 gallon that has been running now for about a week. Live sand, dead rock. I noticed that the output valve is lower on this one than my other. Paper also recommends 8-9.25 of water to sit in put that puts the out valve below the water line. I can not raise it any higher, its sitting in 8 inches of water now. Also the pump picture shows the pump intake facing downwards, is that the correct placement? I ran it yesterday evening and its foaming like crazy nonstop, no matter if I crank the valve closed or not and setting microbubbles through out my sump. So question is, is the water level correct and if not can I extend the output valve so that its above the water line if thats the issue. Thanks
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6 Answers
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May 29, 2014
Jeremy Rykiel agent wrote
The new Classics are more powerful that the previous version with the OTP pump. This skimmer should sit in 7-8" of water and is intended to have the valve submerged. If your skimmer is overflowing it is likely to do with something in the water itself like bacterial products, dechlorinator, frag putty, red slime remover etc. It could also just be something within the rock or a bacteria outbreak common with cycling systems. Running a good amount of fresh activated charcoal will help as well as positioning the skimmer at 7-8" to obtain the greatest range of control from your skimmer. If the skimmer is overflowing uncontrollably you can continue to use it if you connect a hose to the drain line from the cup and allow the drainage to spill over or in a bag of GAC.
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May 29, 2014
Troy Black wrote
Thanks for your quick reply. So the pump inlet should be facing down, correct? I am running active carbon and GFO in a dual reactor. Ok so the outlet should be submerged? Should I just let it run with it turned all the way down or open till it stops?
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May 29, 2014
Jeremy Rykiel agent wrote
You can position the pump as you see fit but to obtain the smallest footprint the output would need to be facing down. For the first 3-4 weeks of running the skimmer you will want to run it with the output valve open. The output being submerged does not have any bearing on the skimmers performance after initial break-in. Just be sure that the water level that the skimmer sits in stays at a consistent level.
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May 29, 2014
Troy Black wrote
Thanks Jeremy appreciate your help, to clarify, you said the smallest footprint the output would need to be facing down? Do you mean the pump should be facing down, so that the inlet of the pump is facing downward.
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May 29, 2014
Jeremy Rykiel agent wrote
Yes to obtain the smallest footprint within the sump. If you desire or see any benefits with it running with the intake of the pump mid water you can run it that way as well.
Jul 16, 2014
System wrote
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