0pius Posted January 10, 2006 Report Share Posted January 10, 2006 Does anyone know if these could be used as an overflow for a sump, I just seen a picture of one and got an idea but would like to know if I am having pipe dreams of using it for an overflow for a sump. Will it drain the tank or does the water stop at the two intakes Quote Link to comment Share on other sites More sharing options...
suphew Posted January 10, 2006 Report Share Posted January 10, 2006 I assume these work like other brands and have a syphon system? if so you run the risk that you lose the syphon (i.e. if you have a power cut) then the return pump comes back on and floods your tank. Also they have a pretty limited flow of water through them since they are designed for cannister filters so would be little use for a sump unless it was very small. Quote Link to comment Share on other sites More sharing options...
0pius Posted January 10, 2006 Author Report Share Posted January 10, 2006 Cheers for the reply suphew. What I am trying to do is attach a sump to a tank that can't be drilled due to it being currently used but needs a sump type system, do you have any ideas. Quote Link to comment Share on other sites More sharing options...
DiverJohn Posted January 10, 2006 Report Share Posted January 10, 2006 I have one of these and it wouldnt work as a syphon for your sump. (Well not in its "standard" setup) As suphew said..."they are designed for cannister filters " HTH John Quote Link to comment Share on other sites More sharing options...
suphew Posted January 10, 2006 Report Share Posted January 10, 2006 Theres a couple of posts round about making 'weirs' sound like one of these would solve you problems. Just look here or google it. They arn't had to make. Quote Link to comment Share on other sites More sharing options...
misnoma Posted January 10, 2006 Report Share Posted January 10, 2006 I have a similar one, but it didn't want to flow enough when I put it on the inlet of my MCE600 skimmer, so I gave up with it in the end Quote Link to comment Share on other sites More sharing options...
0pius Posted January 10, 2006 Author Report Share Posted January 10, 2006 I knew if I gave you guys a challenge you would respond, Well now begins my experiments with a weir system. Unless someone else has another idea. Quote Link to comment Share on other sites More sharing options...
chimera Posted January 10, 2006 Report Share Posted January 10, 2006 Well now begins my experiments with a weir system. Unless someone else has another idea it's really your only (safe) idea other than adding an overflow. you could still consider an overflow if you're good at siliconing underwater Quote Link to comment Share on other sites More sharing options...
ghostface Posted January 10, 2006 Report Share Posted January 10, 2006 can you use silicon underwater? will it not poison the tank? Quote Link to comment Share on other sites More sharing options...
0pius Posted January 11, 2006 Author Report Share Posted January 11, 2006 Well after a bit of research I have settled on this design for the overflow. http://www.rl180reef.com/180/pages/standpipe/mods/stockman.htm If anyone is wondering why it is mainly due to the fact that this company sells nearly the exact same product http://www.lifereef.com/siphon.html And alot of people on ReefCentral seem to like them. So now begins the finding of materials anyone know where in Auckland I could get either the acrylic to build it myself or someone capable enough to build it for me. 0pius Quote Link to comment Share on other sites More sharing options...
Tanksman Posted January 11, 2006 Report Share Posted January 11, 2006 In the past I have used a trough ballcock to control the syphon back into the sump. The hose attached to the troughvalve is fed up and positioned securely well below the waterline using a canister filter type inlet. As the pump removes water from the sump the trough valve opens and syphons water from the tank where the pump is pumping to (obviously). (you have to start the syphon and make sure the line is free of air) Clear as mud?? Just make sure the inlet to the syphon is secure along with the trough valve. You cant beat a drilled setup tho heaps less drama. Quote Link to comment Share on other sites More sharing options...
Tanksman Posted January 13, 2006 Report Share Posted January 13, 2006 can you use silicon underwater? will it not poison the tank? No you can't - Most silicon is designed to b cured in dry conditions at least til it is properly skinned - then it is toxic to fish for around a week and needs thorough rinsing when properly cured. Quote Link to comment Share on other sites More sharing options...
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