Sump Question

  • We are currently upgrading MFK. thanks! -neo
An overhead or "dump" filter is the way to go: Basically a pump in the tank pushes water to a container on top of the tank and the water "dumps" back into the tank via gravity.

I have them on most of my large tanks. An actual sump, a rubbermaid bin, a decorative planter or just about anything that holds water can work.

This tank is going in my living room and one in my family room (new addition) an overhead sump is not going to work.
 
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Drill the tank. DIY overflows or hob overflows are floods waiting to happen. If you use a pump in the tank to send water down to the sump when the power goes out the hose will go full syphon and continue to drain the tank and flood the sump. If a hob overflow looses syphon the sump will continue to pump water and flood the main tank. A drilled tank is safest way to run a sump. If your going to have this in the new addition of your house I’m sure you wouldn’t want to risk having a flood.
 
Drill the tank. DIY overflows or hob overflows are floods waiting to happen. If you use a pump in the tank to send water down to the sump when the power goes out the hose will go full syphon and continue to drain the tank and flood the sump. If a hob overflow looses syphon the sump will continue to pump water and flood the main tank. A drilled tank is safest way to run a sump. If your going to have this in the new addition of your house I’m sure you wouldn’t want to risk having a flood.
im making a pvc overflow with basically an air pump attached to it but it sucks air so cannot flood, cannot drill the tank at all as already filled and would not be able to move anything out
 
im making a pvc overflow with basically an air pump attached to it but it sucks air so cannot flood, cannot drill the tank at all as already filled and would not be able to move anything out

My tank is not filled, all options are open.
 
I'm not really following all of the details or plan in this thread, but I agree with TheWolfman TheWolfman do not trust hang on overflow boxes. Take the time to drill the tank and install a proper overflow to avoid inevitable flooding problems. If the tank cannot be drilled then it's not suitable for use with sump imo.
 
You can drill a tank (as long as the glass isn't tempered) that's almost 90% full.
When I drill tanks, the holes are usually only about 4" from the top rim.
View attachment 1456156
I've never drilled a tank before. How do you do it?
 
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I've never drilled a tank before. How do you do it?
Diamond hole saw and water to cool and lubricate the saw. Use light pressure .
It can be intimidating but it’s pretty easy.
There are lots of videos on YouTube on how to do it.
Be 100% sure it’s not tempered before you do it. You can not drill tempered glass don’t try!
 
Diamond hole saw and water to cool and lubricate the saw. Use light pressure .
It can be intimidating but it’s pretty easy.
There are lots of videos on YouTube on how to do it.
Be 100% sure it’s not tempered before you do it. You can not drill tempered glass don’t try!

It's an older tank. How do I ensure it's not tempered glass?
 
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