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Post by scoobnoob on Jan 6, 2013 8:44:14 GMT -5
I was just wondering if anyone had any formula's or advice to share about using one drive pump for two tanks would I assume that if using a 800 gph pump each tank with unrestricted flow would be somewhere under 400gph, approx 4ft of plumping each way, should I split the line into two as close to the pump as possible or use a t joint to decrease the amount of plumbing? I'm going to have a 40b and a 30b plumbed together they will almost be side by side but the plumbing or both will be on the left side of the tank, I plan on using glass hole over flows using a 750 on the 40, but want to use something a little less on the 30b. I can use ball valves to reduce the flow. The 30 will be primarily a frag tank and plan on having running as part of the system but will also have a separate sump for it and will be able to turn off the shared plumbing to use it as quarenteen as needed this will cause me to turn back the drive pump for just the 40b Looing for toughts and Ideas my stand design is done and I really like it so I've moved onto plumbing.
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Post by ryansweatt2004 on Jan 6, 2013 9:49:13 GMT -5
Just plumb one PVC pipe from your pump to the top of the tanks. I would make it so the pipe comes up, behind the tanks but in the middle to divide the plumbing and water flow equally. Put a pvc tee fitting at the top to divide flow to each tank, add a ball valve to each side and just plumb each side of the piping up and over the tops of each tank. Make sure you add as many removable unions as you can afford so that your able to take apart all your piping for any maintenance. This isn't the only way to do it but its one of the simplest. Don't forget to drill some sort of hole in your return plumbing at the tank water line for a syphon break in case of power outage. Hope this helps.
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Post by gotareef on Jan 6, 2013 11:35:11 GMT -5
you will need to split the return line into 3 lines, one for the 40 one for the 30 and one to return to the sump, if you decide to cut off one of the tanks you can open this line to avoid flooding the other tank
it dosnt matter where you split the lines it is the same pressure on the pump whether it is 1 line up or 2 you will use the shut off valves to reduce flow to one tank or the other
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Post by scoobnoob on Jan 6, 2013 14:50:46 GMT -5
Thanks for the advice, I like Ryans idea but I would have to change my stand design. I plan on having the the water enter each aquarium through a bulk head on the left side as well so intake and return on the left side of each tank, I'm going to give everything a shot at drilling the stand is going to cover all plumbing my goal is to minimize the visuals of equipment as much as possible. I have drew out 2 designs and will post them on my build thread as I'm eager to hear some feed back before I start chopping up 2x4's even when the stand is done I'm still a long way away as far as equipment needs I don't think it will be up and running for atleast another year. I'm kind of hoping to run 1 of the 2 tanks then get the other going a little later so I can take advantage of my design to be able to cut one off at will.
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