sheffboyrd Posted July 23, 2004 Share Posted July 23, 2004 I'm planning to add a below tank fuge to my 20H and I need an overflow rated between 300-500gph. Why is it that the only readily available overflows are continuous siphon CPRs that fail? I know there is lifereef, but those seem a little overpriced if you ask me. DIY is not what i'd like to do because I don't want to deal with the stress of it or the chance it will come out looking ghetto. Is there a cheaper U-Tube design that won't loose siphon for around $50 or less? I haven't seen any on Ebay lately either, even though a few months ago I remember seeing a bunch of good ones. Link to comment
Imaexpat2 Posted July 23, 2004 Share Posted July 23, 2004 CPR does make a 9 dollar pump thats available for use with thier overflows that are supose to aleviate any proble with air building up in the top of the box and causing a siphon break. It is actually sized just right to sit on top of the over flow box! You can always just pick up a U-Tube from the LFS and use that and some hose tubing... While CPR overflows arent the best from a design stand point I have been using them for years and have yet to have a flood. I do check it on a regular basis for air build up in the over flow box and we have lost power here a couple of times and I have had no emergencies to date, but without a pump...the potential is there none the less. Link to comment
Gerde Posted July 23, 2004 Share Posted July 23, 2004 Do a web search for amiracle overflows, they are the same design as lifereef, and should be around $50. Link to comment
Gerde Posted July 23, 2004 Share Posted July 23, 2004 Dr Foster and Smith have one for $49.99. CD-414712 Amiracle Pre-Filter Box Set (mfg# PFBS) Link to comment
sheffboyrd Posted July 23, 2004 Author Share Posted July 23, 2004 Gerde Do you have a link I can use to get to that? I tried looking for the Box on Dr Foster and Smith but I couldn't find it. They only seem to have a U-tube and wet dry filters from Amiracle. Thanks Imaexpat I understand the pump can be used, but then you have extra power consumption and the pump is always running. I don't like that personally considering how much money you have to pay for the overflow itself I think they should have done a better design job. I realize that it is still a personal opinion, but that's how i feel about it at least. Link to comment
onthefly Posted July 24, 2004 Share Posted July 24, 2004 Ebay.......aquacrylics and a few others sell themm there for about $40 less that lifereef or amiracle. Just bought one rated at 750gph for $43 Link to comment
sheffboyrd Posted July 24, 2004 Author Share Posted July 24, 2004 Out of these 2 overflows what do you guys think would be best for me? I'm gonna get a mag3 pump for the return and I'm guessin gthe head will be about 3ft including any bends/angles. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewI...4313972875&rd=1 http://cgi.ebay.com/ws/eBayISAPI.dll?ViewI...4315036564&rd=1 Link to comment
onthefly Posted July 24, 2004 Share Posted July 24, 2004 I just bought the aquaacrylics version....give me a week and I'll let you know how it works. FWIW, I think a mag 3 is kinda small for the purpose....most people use the 7, 9, or 12 on tanks half the size of yours. Link to comment
sheffboyrd Posted July 24, 2004 Author Share Posted July 24, 2004 Even at 4 feet of head pressure the mag 7 is rated at 480gph. You don't think that's too much flow for a 20 gallon high? Also, what's a good way to plumb the return? I kinda want to have 2 spray bars on either end of the tnak, but I have no experience with that kind of stuff. Link to comment
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