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overflow for a small tank

Reef nutrition
Supporting Member
Joined
Aug 30, 2025
Messages
46
hey everyone,
has anyone here drilled and plumbed an aqueon 10 gallon to add into a pre-existing system? if so, how did u configure the overflow and return? i dont wanna go crazy and spend tons of a high end acrylic overflow just for a 10 gallon frag tank but im also worried about having a single strainer with the chances of flooding with no emergency drain.
 
Supporting Member
Joined
Nov 2, 2008
Messages
903
Maybe just drill 2 holes, one for main and second for emergency. Have return go over the rim. No need for external box.

Those tanks have really thin glass that cracks easily, so don’t put any pressure when drilling.
 
Supporting Member
Joined
Aug 30, 2025
Messages
46
Maybe just drill 2 holes, one for main and second for emergency. Have return go over the rim. No need for external box.

Those tanks have really thin glass that cracks easily, so don’t put any pressure when drilling.
ya that could work. im not too worried on drilling the tank itself, my first time drilling a tank was on 3mm glass lol turned that tank into swiss cheese without a crack or chip.... maybe it was beginners luck who knows:p
 
Supporting Member
Joined
Nov 2, 2008
Messages
903
are you doing holes on side or bottom glass? On the side makes me nervous that weight of pipe with leverage on the bulkhead is enough to crack the glass.
 
Supporting Member
Joined
Aug 30, 2025
Messages
46
side, its a solid surface underneath. i was thinking soft tubing would help with the weight on the bulkhead maybe
 
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