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Old 02-23-2004, 11:45 AM   #11
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What is a integrated sump??
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Old 02-23-2004, 09:05 PM   #12
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More on sumps...

...sounds like an integrated sump is one that is actually inside the main aquarium...more of a refugium than a sump. The entire reason that I put a sump in place was to add water volume and hide all the heaters, probes, skimmer etc. etc.

As a final security device I'm now adding a float switch in the sump that will shut off all the pumps if the water level in the sump does anything unusual.

I think the benefits of a sump outweigh the potential problems. You just have to think the scenarios through carefully.
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Old 03-01-2004, 12:57 AM   #13
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flood protection...

... so the final protection is in place. I've wired up a float switch that will stop the sump return pump in the event that the sump water level drops. (if the sump water level is dropping, it would suggest that the siphon has failed and you had better stop the return pump fast..)

Now I can sleep at night and when I hear funny water noises I can relax knowing everything is OK.
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Old 03-01-2004, 01:24 AM   #14
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if the sump water level is dropping, it would suggest that the siphon has failed and you had better stop the return pump fast..
I think this would be a bad Idea unless you also have a Float switch to replace Evaporated water.. I would suggest just drilling your return line just below the waterline in your tank.. Or putting on a flap valve so that water can only flow 1 direction.. That would be the safest method for both your livestock and your floor.. FWIW most siphoning happens when the power is already off therefor your return would already be off.. The flooding usually happens at the sump level do it it being lower than the tank..

HTH<
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Old 03-01-2004, 01:26 AM   #15
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I like the check valve myself. I put one directly above the return on the pump, its good for two things. 1. Water can't run back down and 2. having it that low on the plumbing leaves the return plumbing flooded so there is not an explosion of bubbles when I restart the pump.
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Old 03-06-2004, 08:05 PM   #16
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Safer is better..

[/quote]
I think this would be a bad Idea unless you also have a Float switch to replace Evaporated water.. I would suggest just drilling your return line just below the waterline in your tank.. Or putting on a flap valve so that water can only flow 1 direction..

You misunderstand the function of the float switch. It is NOT there to prevent the reverse flow of water back INTO the sump. It is there to prevent the aquarium from overflowing in the event that the overflow siphon box stops.

Imagine that a large snail finds his way into the return pipe, or something caused the aquarium return siphon to stop. The return pump continues to pump water INTO the aquarium. In my case, the aquarium begins to overflow in under 30 seconds. The dropping sump water level triggers the float switch to stop the return pump before this happens.

Yes... if I didn't compensate for evaporation, this could also cause the sump level to drop and the pump to stop. At least I would be dry while I figured out why the sump level dropped.

If you are running a bottom drilled tank where the water falls down through the bottom of the tank, there is less to worry about. But if you are running a siphon overflow box you have to have a plan to prevent overflow if the siphon action fails.
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