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- Thread starter Jeremy B.
- Start date
LOL, new problems. This skimmer now overflows unpredictably. I had operating at 2 full turns. Also after a few weeks of breaking in the tiny micro bubbles that went all the way up into the foam head have turned into big bubbles. Its like the micro-bubbles very quickly combine in the lower body to much larger bubbles well before reaching the neck. Not sure if that matters or not. It looks like it runs fine and starts to collect some skim initially, then I come back 12 hours later and the cup is full of water. I have the valve closed enough so from start the bubbles rise to about 1" below the start of the neck. I have it running now at 1.5 turns from closed to reduce the air even more as it seems to be drawing too much air. At that setting I can see the pump sometimes skipping a beat as it shoots a little more air and is not completely consistent in its air feed. So what am I doing wrong now?
I have the nozzle at about 1 and quarter turn from closed. That seems to have brought the air draw to a point of not creating overflows and has broken in enough so the pulses ceased too. The wedge is almost closed. This seems to be working now at this setting. Oddly though the skimmer is vibrating at a micro level. After 24 hours I noticed the nozzle reduced itself to almost a half turn from the closed position. The air was pulsating again. I may have to put a thin layer of teflon tape on the nozzle to add some tension.
From my experience so far, the getting the nozzle to the correct position is key. No mater how open I have the wedge, even if its drawing in slightly too much air it will eventually create an overflow.
From my experience so far, the getting the nozzle to the correct position is key. No mater how open I have the wedge, even if its drawing in slightly too much air it will eventually create an overflow.
It seems to me like you're using the nozzle / venturi (same thing) to adjust the skimmer, not the wedge pipe. Your wedge pipe being almost closed is what is causing the skimmer to overflow. Assuming the skimmer is not sitting too deep in the sump you should be able to run that nozzle 4 turns open without it overflowing, and then adjusting the internal operating height of the skimmer with the wedge pipe.
My suggestion would be as follows:
1. Open the nozzle to 3 turns open and leave it, do not touch it again.
2. Position the skimmer in 7" of sump depth.
3. Adjust the internal operating height of the skimmer by the wedge pipe, dialing it in that way.
This should get you to where you need to be. The vibrating you're noticing is from the nozzle / venturi being too far turned in. Anything that is from closed to 1 turn out will most likely cause the pump to vibrate, as it's just too restrictive at that point.
My suggestion would be as follows:
1. Open the nozzle to 3 turns open and leave it, do not touch it again.
2. Position the skimmer in 7" of sump depth.
3. Adjust the internal operating height of the skimmer by the wedge pipe, dialing it in that way.
This should get you to where you need to be. The vibrating you're noticing is from the nozzle / venturi being too far turned in. Anything that is from closed to 1 turn out will most likely cause the pump to vibrate, as it's just too restrictive at that point.
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I set mine up this past Tuesday and everything has been fine until Thursday afternoon. The pump started making a loud hum/vibration, but still appeared to be working correctly. I unplugged the skimmer and plugged it in and the pump ran perfectly. When I woke up this morning it had the loud hum/vibration again. Unplugged and replugged and the noise went away. Any ideas what is causing this? It is in 7" of water and the nozzle is out 4 turns.
Klaus Jansen
.Registered Member
Hi GQuinn..
thats not normal.. please plug off the power and disconnect the Pump from the skimmer and turn it underwater. Maybe behind the magnticshaft is a big bubble, where can not blowing out. Please let me now, if the Problem is not fixed.
best regards .. Klaus
thats not normal.. please plug off the power and disconnect the Pump from the skimmer and turn it underwater. Maybe behind the magnticshaft is a big bubble, where can not blowing out. Please let me now, if the Problem is not fixed.
best regards .. Klaus
When I got home from work today I had the same issue. I disconnected the pump and rotated underwater. I will see if this makes a difference.
Thank you for your help.
Pump has been running perfectly up till yesterday. The skimmer overflowed yesterday and today and the pump sounds like it is not running consistent (the sound of the air draw increases and decreases) I took the pump apart and everything looks o'k. Nozzle is four turns out, if I decrease it to three the pulsing is more noticeable. What would be causing this. Nothing different in the tank. I can't have this overflowing daily.
Klaus Jansen
.Registered Member
hi GQuinn,
>please let me now, whats your waterlevel in your sump ?
>do you use epoxy ?
>new filtersocks
best regards
>please let me now, whats your waterlevel in your sump ?
>do you use epoxy ?
>new filtersocks
best regards
Water level: 7 inches
No epoxy
Nothing has changed in tank (livestock, feeding, or equipment)
I use filter socks, but i have used the same three for at least a couple of months.
I had the nozzle 4 turns out, changed it to three, but sometimes the pump sounds like it is surging?
