AquaClear 70 overflow?

  • We are currently upgrading MFK. thanks! -neo

qu13tst0rm

Feeder Fish
MFK Member
May 12, 2011
32
0
6
Sacramento, CA, USA
What do you think of using an AquaClear 70 as an overflow device? By installing a bulkhead fitting into the side or bottom of AquaClear 70 body, then plumb it to you sump.

AquaClear70.jpg

AquaClear70.jpg
 
Very interesting idea, I would be a bit nervous about cracking the bottom drilling it out

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Yeah, I know...
What I found with drilling platics is to use a very slow speed.
When drilling buckets for my drip plates, using a drill caused the plastic to crack and split to the next hole.
But using a DREMEL tool on slow speed, I got clean cuts (drills) and no splitting.
 
WenzoOoOoOoo... not sure what your asking. If power is lost, pump on filter/overflow and return pumps shut off.
I have my bulkhead drain above the Aquaclear pump so there will be no siphoning the tank, and the pump stays primed. If pump on Aqualcear fails, same result.
I don't keep so much water in the sump that the tank will overflow if Aquaclear fails, return pumps will suck air before tank is completely filled.
My original thought was to install the bulkhead through the bottom, but I would have had to insert a standpipe... and didn't want to hear the gurgling.
 
Hi kiupuriash.
I did not have the clearance behind my tank , so I mounted the bulkhead on the side of the filter.

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If the aquaclear fails you'll overflow your tank, not your sump. Water wont have a wait to get into the aquaclear. Further, how do you plan to balance the water flowing into the sump with the water being returned? You are going to end up with water on your floor sooner than later. Using two separate pumps to operate a sump is a bad idea when one is the drain and the other is a return.
 
I think he said there isn't enough water in the sump to overflow the tank if the AC fails. And if thats the case then theres no way if the return pump failed that the AC could suck enough water to overflow the sump so essentially its pretty fail proof. Barring of course the bulkhead breaking loose.
 
You really think if it was fool proof he would be the only person doing this? There is a reason no one else is doing it, it doesn't work long term. How little water must be in his sump to keep from overflowing the tank if the AC dies? Or what if the pump dies? It wont overflow the sump when the AC keeps pumping? Or how do you keep one pump from out pumping the other? You cant tell me they are balanced perfectly, one will eventually run dry. There are many reasons no one does this. Eventually you are going to end up with a wet floor, a dead pump or both.
 
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