nwb sss 110 octo skimmer

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Jul 31, 2014
eric farella wrote
i've had my skimmer running in the open position for 2 weeks now in 7.5" in my sump. the skimmer is brand new, also the sump is new and the over flow box. I was told to run it wide open for a couple weeks? how long is the break in period? i was told it was a couple weeks. I can see the bio film building up on the inside of the canister. It seems like it's not wanting to produce the bubbles are really small like carbon from a shaken soda. Will it take a few more weeks?
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4 Answers
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Aug 01, 2014
Carlos agent wrote
The skimmer usually takes 3-4 weeks to break in. During this period, the skimmer may or may not collect. It will act erratically. After the 4th week, you can start slowly closing the wedge valve to increase the head (froth) of the skimmer and start to push it higher so it overflows into the collection cup. This process should be done over the period of a couple of weeks and not just in a day or so. If you do it too fast, you will end up overflowing the skimmer.

With that said, please also make sure that the top end of the air hose that is inside the wedge valve (red pipe) is not attached to the wedge valve's cap. The hose should be threaded inside the wedge valve upwards but not attached to anything at the top. The cap should be placed on the wedge valve without attaching it to the air hose. If you do attach it to the air hose, you are technically plugging the air hose which will choke the skimmer and prevent it from working.

Let me know if you have any other questions.
Aug 29, 2015
lipper wrote
I have a new 110 just started yesterday and it is producing way to many bubbles way past the neck and into the cup which fills with water and over flows in one minute, it sits in 7.5" of water and the gate valve is wide open, my question is how do i lower the bubble action so the skimmer will work properly
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Aug 31, 2015
Jeremy Rykiel agent wrote
The skimmer is overproducing because there is something in the water reacting with the air the skimmer is purchasing. Here is a link about what is occurring. http://coralvue.com/support/935227-Skimmer-overflowing

You can also try raising the skimmer out of the water or lowering the water level in the sump by an inch to give the foamate a bit more room.
Aug 31, 2015
lipper wrote
Raised up the skimmer in the tank and works fine , don't know about this break in period because this thing is working great and had to close the valve so the bubbles did not go past the neck.
Thanks, Dave.