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Old 05-09-2012, 06:35 PM   #1
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Return line question

Ok so I'm using eshopps 300 overflow and it's 1 inch PVC off it to the sump .......

Question should I use 1 inch off return pump to tank or can I use smaller like 3/4 inch would it make a difference

Asking because I rather have a smaller pipe in tank

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Old 05-09-2012, 06:36 PM   #2
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All my tanks have a 1 inch pipe into the sump and 3/4 return lines. No problems.
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Old 05-09-2012, 06:39 PM   #3
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My overflow is one inch pipe and return is half inch . No issues either . The flow might be different from the return pump but that should be the only difference .
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Old 05-09-2012, 07:01 PM   #4
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Awesome guys thank you
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Old 05-09-2012, 07:06 PM   #5
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Mine is 40mm overflow and 22mm return and doing good.
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Old 05-09-2012, 07:08 PM   #6
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Awesome thanks everyone for quick response on my way now to homedepot I made the 1 inch return but it's just too big gonna go smaller
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Old 05-09-2012, 07:15 PM   #7
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Don't forget to use unions for easy disassembly
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Old 05-09-2012, 07:16 PM   #8
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Quote:
Originally Posted by Hondatek
Don't forget to use unions for easy disassembly
Great note didn't do that in the first one lol thanks !!
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Old 05-09-2012, 07:18 PM   #9
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Can anyone tell me where to drill my break siphon hole ?? And maybe explain why I need it
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Old 05-09-2012, 07:22 PM   #10
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3/4 inch will have a higher pressure at the nozzle, than a 1" or 1 1/2. Depends on amount of flow you need to get out of the return. And 3/4 inch will create more pressure on all your fittings, because of all the
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Old 05-09-2012, 07:25 PM   #11
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Darn phone!! I've always gone by the bigger is better creed. Go as big as you can.
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Old 05-09-2012, 07:27 PM   #12
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Drill the whole on the output right underneath the water level . If your power goes out the water will syphon back into your sump and possiblly overflow it. The hole will break the syphon and it will stop flowing . I don't have one I just keep my output close to the top and make sure the sump has enough room to take the water until the nozzle hits air.
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Old 05-09-2012, 07:32 PM   #13
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Siphon hole should be under the water line, pointed downward or sideways. In the event of a shutdown, as water siphons into your sump through your returns, this hole will break the siphon and stop loading your sump. This will keep your skimmer from being overactive, and possibly draining your sump onto the floor if you have an external collection cup.
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Old 05-09-2012, 07:32 PM   #14
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Quote:
Originally Posted by Flreefer
Darn phone!! I've always gone by the bigger is better creed. Go as big as you can.
Loll ok good to know im Going to drop it to 3/4 and I will have ball valves on input and output to adjust as needed
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Old 05-09-2012, 07:33 PM   #15
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Quote:
Originally Posted by Hondatek
Drill the whole on the output right underneath the water level . If your power goes out the water will syphon back into your sump and possiblly overflow it. The hole will break the syphon and it will stop flowing . I don't have one I just keep my output close to the top and make sure the sump has enough room to take the water until the nozzle hits air.
Okie perfect I will do that and I'm sure my sump will hve enough room or at least I hope so lol
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Old 05-09-2012, 07:33 PM   #16
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Do the hope just over the hight of the overflow so that way when your evaporation happens your return pipe wont come over the water surface. Well thats what i do on my tanks.
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Old 05-09-2012, 07:36 PM   #17
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Quote:
Originally Posted by Marine4life
Do the hope just over the hight of the overflow so that way when your evaporation happens your return pipe wont come over the water surface. Well thats what i do on my tanks.
Gotcha okie that makes sense
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Old 05-09-2012, 08:05 PM   #18
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Now should I drill the hole downwards an what size
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Old 05-09-2012, 08:13 PM   #19
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Quote:
Originally Posted by Reefpete
Now should I drill the hole downwards an what size
Downwards is good.
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Old 05-09-2012, 08:20 PM   #20
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Quote:
Originally Posted by Marine4life

Downwards is good.
Awesome thanks
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