clowntrigger2k
Member
ok i have been here for a while and i lost my mind . so here is the question how do i stop my wet & dry from over flowing if the power goes out !
help feel stupid wet and dry ?
- Thread starter clowntrigger2k
- Start date
clowntrigger2k
Member
ok sorry i have a overflow box and in the wet and dry i have my seaclone skimmer a powerhead for the my uv and the rio pump.hope this helps out .i only have two hose running into the tank the overflow box line and the return line
scsinet
Active Member
Originally Posted by EGILL
http:///forum/post/3150627
I drilled a syhon break in my return line just under the water line. Keeps alot of water from going back to the sump.
There are two high-level things you need to do. You need to make sure your sump has enough capacity to handle a little bit of water coming back from the tank, and stop the returns from siphoning (as others have stated).
First, looking at just the overflow box... when the pump is operating, water rises up in the tank to where it spills over the edge of the overflow box. Usually, it rises up a little bit over the top of the overflow box's edge (about 1/4" or so). When the pump stops, this extra bit of water will end up in the sump. Therefore, your sump has to have enough reserve capacity to handle this. You usually only want to run your return compartment about half full, this is usually enough. Where folks run into trouble is if they either size their sump too small for the tank, or they put baffles in their sump incorrectly causing a disproportionately small return compartment. IMO your return compartment should have enough space to accomodate 5% or so of your tank's water volume without overflowing.
With the siphoning, to elaborate on what others have mentioned, becuase the return jets extend further down into the tank than the overflow, they can siphon several inches of water from the top of the tank when the pump stops, causing an overflow. There are three ways to solve this. Some people use a check valve, but IMO they are unreliable. They can get gunked up preventing them from working; most people only find this out when they discover a flood. Siphon holes are extremely effective, but personally what I like to do is just aim the returns so the nozzle is just below the surface of the water, this prevents a serious siphon from occuring.
Does that help explain things?
http:///forum/post/3150627
I drilled a syhon break in my return line just under the water line. Keeps alot of water from going back to the sump.
There are two high-level things you need to do. You need to make sure your sump has enough capacity to handle a little bit of water coming back from the tank, and stop the returns from siphoning (as others have stated).
First, looking at just the overflow box... when the pump is operating, water rises up in the tank to where it spills over the edge of the overflow box. Usually, it rises up a little bit over the top of the overflow box's edge (about 1/4" or so). When the pump stops, this extra bit of water will end up in the sump. Therefore, your sump has to have enough reserve capacity to handle this. You usually only want to run your return compartment about half full, this is usually enough. Where folks run into trouble is if they either size their sump too small for the tank, or they put baffles in their sump incorrectly causing a disproportionately small return compartment. IMO your return compartment should have enough space to accomodate 5% or so of your tank's water volume without overflowing.
With the siphoning, to elaborate on what others have mentioned, becuase the return jets extend further down into the tank than the overflow, they can siphon several inches of water from the top of the tank when the pump stops, causing an overflow. There are three ways to solve this. Some people use a check valve, but IMO they are unreliable. They can get gunked up preventing them from working; most people only find this out when they discover a flood. Siphon holes are extremely effective, but personally what I like to do is just aim the returns so the nozzle is just below the surface of the water, this prevents a serious siphon from occuring.
Does that help explain things?