Gert Jensen Posted October 25, 2006 Share Posted October 25, 2006 I've given up searching through google and the forum, so if anybody knows where to find these instructions please speak up About 6 months ago I saw somebody's design of a undergravel network of pvc tubes that popped up from the gravel here and there. They were all connected to a powerhead with a sponge attached and were supposed to help move poo and excess food off the substrate and straight into tank. Somebody had posted the instructions on how to design a good undergravel pvc tube network on the net, with some dos and don'ts, and I was planning to incorporate that when setting up a new tank. Problem is, I've lost the link to the instructions. I was sure I saw it either here or at www.malawicichlidhomepage.com (I can't find it there). If anybody knows what I'm talking about, and knows the whereabouts for these instructions please speak up If not, I guess I'll just go with a bit of trial and error. Cheers, Gert Feel silly now.. Just found it. http://www.cichlid-forum.com/articles/ug_jets.php Has anybody tried this sort of setup? Link to comment Share on other sites More sharing options...
GTR73 Posted October 25, 2006 Share Posted October 25, 2006 Heh heh. Was just going to post - the Americans love UGJ on cichlid-forum.com. Personally, I find a well positioned spray-bar accomplishes the same thing. Link to comment Share on other sites More sharing options...
Gert Jensen Posted October 26, 2006 Author Share Posted October 26, 2006 Heh heh. Was just going to post - the Americans love UGJ on cichlid-forum.com. Personally, I find a well positioned spray-bar accomplishes the same thing. Spray bar? Sorry for asking silly questions, but could you please expand on that Cheers! Link to comment Share on other sites More sharing options...
YAL05T Posted October 26, 2006 Share Posted October 26, 2006 A well directed return (spray) bar from a cannnister or sump filter can get plenty of movement to move waste around, though I am looking at a UGJ for my deeper tanks as I cant get enough pressure to acheive what I am after with a spray bar alone. Cheers, Brett Link to comment Share on other sites More sharing options...
GTR73 Posted October 26, 2006 Share Posted October 26, 2006 Heh heh. Was just going to post - the Americans love UGJ on cichlid-forum.com. Personally, I find a well positioned spray-bar accomplishes the same thing. Spray bar? Sorry for asking silly questions, but could you please expand on that Cheers! Not a silly question at all, but like Brett said . . . A well directed return (spray) bar from a cannnister or sump filter can get plenty of movement to move waste around, though I am looking at a UGJ for my deeper tanks as I cant get enough pressure to acheive what I am after with a spray bar alone. Cheers, Brett Good point about using UGF on a deeper tank. My biggest tank is a 4ft, 20" deep with, an 1850L/Hr external cannister, so works fine for keeping detritus off the bottom. But I can see the benefit of a UGF system on a bigger tank. From what I've read seems like a lot of work to set up one right, but that's just me. I notice also the North American enthusiasts seem to favour more the Hang On Back filters over external cannisters and sumps, so maybe that's a one reason why UGFs are popular there and not so popular here - HOB filters obviously don't stir up the tank too much with their waterfall inlet to the tank. Link to comment Share on other sites More sharing options...
YAL05T Posted October 26, 2006 Share Posted October 26, 2006 I am still trying to work out how to do mine, that is to run a couple of powerheads as UGJ's or hook up a couple to a 2200 l/ph cannister I can get for a cheap price.......I also think a bit of strongish current low down may prove favourable in getting some of my L-cats in the mood for some love'n. Link to comment Share on other sites More sharing options...
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