04-12-2007, 04:51 PM
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Originally Posted by i like fishes
imagine you have a gravel vac....
it's only in the tank 2 inches. not down to the gravel. if the pump from the sump back to the tank stops working the syphon will stop when the water gets below 2inches.
now i only plan on having it in 1 - 1.5" but it will work the same.
now you put the return pump high in the sump so it won't over flow the tank.
if the syphon stops working then the sump stops filling. the pump in the sump will run out of water before it over flows the tank.
the problem with my set up is that if for some reason the syphon stops then my water pump will burnout if i don't notice it.
so after searching online i've found a few plans for diy over flows. i could probably make one for 5-10 dollars.
so i'm going to go with an overflow, but i'll make it my way and send you a video of it working before i hook up the overflow.
it'll probably be a month or 2 till i even get the tank set up, so the video will take a while
I know what you plan on doing and believe me you will run int flooding problems or it wont work. I have heard of this method. It runs from the water pressure in the tank. The problem is there might not be enough pressure from the water at 2" below the water line. So people that wuld do it will put the intake deeper int there tank. Problem with this is that when the pump fails for whatever reason the tank will drain until it reaches the opening.