Need some advice balancing my sump flow. - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 06-09-2014, 12:11 PM Thread Starter
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Need some advice balancing my sump flow.

I have a 55g tank that I e recently made a 10g sump for. I have 4 glass baffles in it, and it's fed with a 3/4" PVC siphon and the return is a rio 1100 pump rated at I believe 600gph. I have a valve on both the inlet and return to so can adjust the flow. I also drilled a small home right under the top tanks water level to break the siphon should the pump fail or there is a power loss. I'm guessing to balance the flow I should remove water from the top tank first and the open up in the intake valve to the pump and adjust as necassary to keep the right level of water in the sump. The. I guess after that water level is set I can too off the 55? My concerns are what if the intake to the sump clogs or flow gets restricted some how like the filter media begins to get too dirty and flow is restricted, wouldn't that mean the balance e would be off and I risk flooding the top tank?
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post #2 of 7 (permalink) Old 06-09-2014, 02:53 PM
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I have done the same as you with my 55. I will show u what I did. First I think you will have nothing but trouble with the 3/4. I run 2" I started with 1" and had nothing but trouble. Would not keep a siphon. Until I switched to the 2" I had a few problems with over flow. Also learned if you don't keep your pump clean sump can over flow.

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post #3 of 7 (permalink) Old 06-09-2014, 04:18 PM Thread Starter
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I don't have any issues with keeping a siphon, just balancing the sump flow in and out. I might order a glass drill bit and ditch the siphon setup and do an actual overflow just so I don't have to worry about the siphon. I;ve also read its easier to balance when the tank is drilled at the top for an overflow.
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post #4 of 7 (permalink) Old 06-09-2014, 04:27 PM
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How long have you been running the sump? Eventually build up in the tube will cause siphon problems. Tempered glass can be tricky to drill. Only way is to keep overflow valve full open and slow pump down by keeping pump valve partly closed. Drilled or not too small of an overflow makes it hard to balance.

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post #5 of 7 (permalink) Old 06-09-2014, 08:21 PM Thread Starter
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I'm saying the hell with it and buying a Sun Sun canister filter. Too much of a PITA and risk of flooding the floor.
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post #6 of 7 (permalink) Old 06-10-2014, 12:13 AM
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If you change your mind, look at glass-holes.com - they make excellent overflow setups for through-the-back overflows.
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post #7 of 7 (permalink) Old 06-10-2014, 10:35 AM Thread Starter
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I ordered a Sun Sun canister from Amazon with UV light for 80 bucks. The sump just makes me nervous. I might use the 10g I bought for the sump and the glass tank baffles as dividers for fry now.
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