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DeadReply
04/04/2011, 11:56 AM
Hi all

i have a new tank 140 gallon i cant drill the glass... so howto choose the good overflow box 1500lph or 3000 lph and for plumbing 1" or 3/4
many question for a newbee.. suggestion welcome

thank for your help
stingythingy45
04/04/2011, 12:02 PM
Why can't you drill the glass?
Can you have somebody do it for you?
It would make you life much easier.
DeadReply
04/04/2011, 12:05 PM
i think its tempered glass .... im not sure.. any means to see if is it ?
fishboii
04/04/2011, 08:26 PM
http://www.youtube.com/watch?v=Zp7kuKMmDg8
EllieSuz
04/04/2011, 08:40 PM
If you decide not to drill, contact Jeff at Lifereef.com. His workmanship is superior. Great customer service. It absolutely will not break siphon. I turn off my return pump weekly for water changes and it just starts right up again. Be careful with any overflow that requires a pump to restart a siphon.
DownwardDawg
04/04/2011, 08:58 PM
These look really nice but they scare me. I'm thinkin about using one on my 20 but worried about a flood.
hpfunk
04/04/2011, 11:51 PM
Always, always, always drill whenever possible, respectfully IMO.
The overflow is one of the greatest points of failure, and I personally would never again own an hang on type overflow no matter the claim of the manufacture. I have flooded, and switched, and switched and eventually I wanted a new tank mostly because I hated the overflow situation. Good luck with your choice, but I would suggest finding a professional to do it for you.
DeadReply
04/05/2011, 04:43 AM
thanks for your help
Uncle Salty 05
04/05/2011, 07:27 AM
I have had one of these running for over 15 years and never had a single issue: http://www.marinedepot.com/CPR_CS102_Overflow_Box_External_Overflow_Boxes_for_Aquariums-CPR-CR1511-FIOFEB-CR1517-vi.html
Krazy
04/07/2011, 02:33 PM
I run the CPR on my 40 breeder, never an issue, just gotta keep your aqualifter clean...
Uncle Salty 05
04/07/2011, 02:55 PM
Exactly. This is easy, just run vinegar through it once a month and clean the port with a pipe cleaner. 5 minutes total.
I was running mine before aqualifters existed. I just put a check valve on with about 4 feet of airline and I would just suck the air out myself every day or two. Never had a single problem.
ryeguyy84
04/07/2011, 03:02 PM
If you decide not to drill, contact Jeff at Lifereef.com. His workmanship is superior. Great customer service. It absolutely will not break siphon. I turn off my return pump weekly for water changes and it just starts right up again. Be careful with any overflow that requires a pump to restart a siphon.

x2 on the lifereef, that thing works great. expensive but you get what you pay for