steve24cro Posted March 2, 2006 Share Posted March 2, 2006 Hi As you remember I am tryin to build my own canister filter, im just wondering what size tubing should i use, water flow will be around 3800lph (pump rated at that). I was going to use 1 inch (25mm) for intake and outtake...just wondering if the intake and outtake should be same size or differ? Eheim 2260 for example has 1 inch intake and 5/8 inch outtake? Does it matter? Should one be larger... Thanks for any help Link to comment Share on other sites More sharing options...
vwboy53 Posted March 2, 2006 Share Posted March 2, 2006 Hi As you remember I am tryin to build my own canister filter, im just wondering what size tubing should i use, water flow will be around 3800lph (pump rated at that). I was going to use 1 inch (25mm) for intake and outtake...just wondering if the intake and outtake should be same size or differ? Eheim 2260 for example has 1 inch intake and 5/8 inch outtake? Does it matter? Should one be larger... Thanks for any help ← Having a larger intake allows more water flow to occur with gravity, generally it is better to have a larger intake, for convienience I would still have the same hose size for output. Don't use a too small output though, it puts further pressure on the pump. Oh and 25mm tubing should be fine, but it doesn't hurt to get something a little larger. Try to get industry standard sizes though, makes it sooo much easier to get parts. Cheers Link to comment Share on other sites More sharing options...
Colfish Posted March 3, 2006 Share Posted March 3, 2006 keep the return as short as practicle with no sharp bends/elbows and match the return tube to the outlet of the pump. this way you will have no back pressure problems and still have the flow/pressure that the pump was designed for. if you need to have bends/elbows and excessive lenghts of tubing, use the next size up Link to comment Share on other sites More sharing options...
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