The pump is an Iwaki 100 RLT that runs the whole system.
I have a 30 gallon sump that holds about 15 gallons of water. There are
various bubble traps in the sump including a tray, a couple of angled walls
and a couple of straight walls. After going through the traps, it ends up at
the far end of the sump, where the input to the pump is. The input is run
through a 1 inch bulkhead that is threaded on both sides. The bulkhead is
about 2 inches off the bottom of the sump, and is covered by about 5 inches
of water. The side of the bulkhead that is in the sump also has a 1 inch
elbow that is pointed down towards the bottom of the sump which puts the
actual input of the pump about a half inch off the bottom of the sump. It
then runs into the barb, through the flex tube, into another barb, into the
pump and out.
The output is reduced directly from pump to 2-half inch flex tubes. The
reduction is through a 1 inch T that is threaded onto the pump, and then has
the 2 reducers in the 2 ends of the T. Those 2 half inch reductions are
then split various times to run various things. The left side runs into my
chiller and out to a sea swirl. It also has a split that right now, runs
nothing, but is going to run my chemical reactor. The right side runs my Red
Sea Berlin skimmer plus 2 outputs. The skimmer is in the sump, but the
outputs of the skimmer run back into the top where it then has to run back
through the bubble traps before it gets to the sump pump.
The input to the pump is through the sump. The outputs are in the main tank,
but the overflow runs back into the sump and through the bubble traps. I do
not see any bubbles in the sump where the input is. I have placed fragments
of live rock around the input to see if any bubbles collect, and none did.
See anything I should try differently?
TIA
Shane C.
-----Original Message-----
From: Neptune [SMTP:[EMAIL PROTECTED]]
Sent: Tuesday, April 03, 2001 9:20 AM
To: [EMAIL PROTECTED]
Subject: Re: Tiny Bubbles
I think we need a better understanding of your setup. Do you have a
sump?
What pump are you using? Is it external? How far under water is
your
inlet? Do you have a skimmer? How close is its outlet to your
pumps inlet?
Are there lots of bubbles in your sump?
Craig
> It is a 1 inch input into the pump. I use a PVC barb fitting and
about 6
> inches of 1 inch stiff flex tube that hooks to a barb fitting on
the pump.
I
> use a hose clamp on each fitting. What can I do to ensure that it
is all
> sealed up?? Should I pull the hoses off and use silicone on the
barb
> fittings then clamp it back down, or does anyone have any other
suggestions?
>
> Thanks,
> Shane
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