CPR overflow

[pscheel]

I have 2 reef tanks that are not drilled and want to put in a fuge/sump. Anyone familiar with the overflows out there. My biggest worry would be if it broke siphon and flooded. How are the CPR overflows? TIA

 

[bradleyj]

I've had mine for close to two years now with no problems as long as the aqua lifter pump is working correctly and a little routine maintenance.
Any overflow box is scarey IMO.
If I could start over my tank would definately be drilled.

 

[bswedenburg]

ditto. keep a spare aqualifter on hand just in case....and tilt it just a tad so the air escape nipple is a bit higher than the the rest of the overflow. you can use the screws on each end for that.

 

[pscheel]

What would happen in a power outage? Is that the CPR overflow?
Yeah, I wish my tank was drilled. Will have to wait for for my upgrade down the road.