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Scoffer · 08-30-2004, 04:54 PM

Hey, I forgot to mention this. Probably important too.

I just got a CA 4000 (1300 gph)pump today. The old one was probably a 350 gph. Suddenly, alot more water flow! My sump emptied and ran dry in about 10 seconds!

Maybe my question should have been, can I, or should I, install some sort of check valve or ball-valve between the pump and the inlet tube to the tank? So water can't flow back in through the pump, which is a big part of the problem.......

otherwise, back to a second sump.

Ok, stfishy, heres the scope! I have a small (small enough though) grove cut in the top of the overflow panel inside the tank. It was for a good reason, then. But now I get a bit of extra water dumped into the built in overflow. Duhhh!! If only I knew then, ....yeah,right. 1/8" or so of the top layer of a 75g tank is a bit of mass!!

But not enough to overflow the sump, BUT when the backflow from the pump(inside the sump) adds to it, the nightmare comes true.(3 large beach towels later)

So if I can install a 1-way valve in the return line, that will fix the problem. If I can't, or block the intake stream, then I'll have to add a bit of over-run-da-tank room!

thanks for the help!! sorry so much damn trouble, nothing goes easy anymore!!

Scoffer

08-30-2004, 04:54 PM	#3 (permalink)
Scoffer Banned Join Date: Aug 2004 Location: Jacksonville, Florida Posts: 327 Karma: 5	Re: Sea life wet/dry Sump drilled?? Hey, I forgot to mention this. Probably important too. I just got a CA 4000 (1300 gph)pump today. The old one was probably a 350 gph. Suddenly, alot more water flow! My sump emptied and ran dry in about 10 seconds! Maybe my question should have been, can I, or should I, install some sort of check valve or ball-valve between the pump and the inlet tube to the tank? So water can't flow back in through the pump, which is a big part of the problem....... otherwise, back to a second sump. Ok, stfishy, heres the scope! I have a small (small enough though) grove cut in the top of the overflow panel inside the tank. It was for a good reason, then. But now I get a bit of extra water dumped into the built in overflow. Duhhh!! If only I knew then, ....yeah,right. 1/8" or so of the top layer of a 75g tank is a bit of mass!! But not enough to overflow the sump, BUT when the backflow from the pump(inside the sump) adds to it, the nightmare comes true.(3 large beach towels later) So if I can install a 1-way valve in the return line, that will fix the problem. If I can't, or block the intake stream, then I'll have to add a bit of over-run-da-tank room! thanks for the help!! sorry so much damn trouble, nothing goes easy anymore!! Scoffer