hazymranch Posted June 1, 2006 Report Share Posted June 1, 2006 I have been mulling over designs for a closed loop and would be interested to see what some of yours look like. Please post any pics or schematics of your closed loops, especially what you use as an intake filter/screen. This will be retrofit so drilling is not an option. Cheers. Quote Link to comment Share on other sites More sharing options...
Feelers Posted June 1, 2006 Report Share Posted June 1, 2006 This will be retrofit so drilling is not an option. I thought pretty much all closed loops were drilled? It could obviously be done out of the water, but isnt that the point of them? Streams (or seios ) would be what your after? Quote Link to comment Share on other sites More sharing options...
hazymranch Posted June 1, 2006 Author Report Share Posted June 1, 2006 Nope. No room for streams in the tank or my budget. All that defines a closed loop is that water comes out of the tank and then right back in, redirected to create movement. Many closed loops are externally run. Quote Link to comment Share on other sites More sharing options...
suphew Posted June 2, 2006 Report Share Posted June 2, 2006 my screen is just pressure pipe with a cap on the end and lots of holes drilled, also used to attach rock to. I run two loops have two holes in the middle of the tank and an outlet at each end. all under rock so you cant see them Quote Link to comment Share on other sites More sharing options...
Kermit Posted June 2, 2006 Report Share Posted June 2, 2006 Same, i have two submersable aquaone pumps 2200L/h each one at each end of the tank and have used pressure pipe with an end cap and cut slots in it or drilling will do the same, to make the pipe fit on the pump intake i heated the pipe up so that it was soft and pushed it on the intake lip of the pump let it cool down and away you go. they've been working for two years now and still going stronge. Quote Link to comment Share on other sites More sharing options...
hazymranch Posted June 2, 2006 Author Report Share Posted June 2, 2006 Sweet. That is along the lines of what I was thinking. I have been looking at this design pretty seriously http://www.melevsreef.com/closedloop.html as I already have a SCWD with plumbing in place. All I will have to do is assemble the intake and hook it up to the pump (King 4). The intake will all be 25mm but the scwd and plumbing into the tank are all at 20mm. Not ideal, but already in place so good enough. How do you all prime your loops? Quote Link to comment Share on other sites More sharing options...
suphew Posted June 2, 2006 Report Share Posted June 2, 2006 because my loops are under the tank fed via drilled holes there is no need to prime. Does your king 4 have the stainless impella? if so make sure you can get to it easierly so you can take it out and clean off the rust every once in a while. Quote Link to comment Share on other sites More sharing options...
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