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post #1 of 32 (permalink) Old 05-03-2012, 06:35 PM Thread Starter
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Return pump?

Any downside for not having sump return pump in the middle of the sump, rather than on the right or left side. my pump always seems running out of water never had this problem with my old sUmp when it was in the middle

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post #2 of 32 (permalink) Old 05-03-2012, 07:00 PM
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baffle design?
is there enough water in the system total??

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post #3 of 32 (permalink) Old 05-03-2012, 07:29 PM Thread Starter
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Yes has ton water, I have foam right before the pump. Maybe that the problem. Or need to turn pump down. Baffle 3 been removed. Right filter socks, 2nd chamber bio bale, 3rd bioballs heater, 4th is foam then pump.

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post #4 of 32 (permalink) Old 05-03-2012, 07:33 PM
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I just don't see how if there is enough water in the system its not making it to ur pump. if it wasn't draining fast enough. it would just overflow the top of the tank. if there is enough water it should just overflowing the baffle or underflowing if that's the case and be returned. are u sucking up bubbles sometimes then?

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post #5 of 32 (permalink) Old 05-03-2012, 11:59 PM
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If the sump is running dry the pump is moving more water to the tank then the tank is returning. With a well tuned system the tank and sump should stay at a fairly constant level minus evaporation.

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post #6 of 32 (permalink) Old 05-04-2012, 12:04 AM Thread Starter
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So it sounds like I just need to tune it a bit more so it balances, and don't need to move the pump.
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post #7 of 32 (permalink) Old 05-04-2012, 12:11 AM Thread Starter
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Excuse the mess in the stand, I still need to clean up and mickey mouse bucket works perfect for slight drip I have in a union that I need to replace.
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post #8 of 32 (permalink) Old 05-04-2012, 12:58 AM
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if the water isn't close to the rim of the tank. i'd add more just based off that picture. if the tank stays full and the sump does not fill up at all. then ur pump is pushing more than ur drain can handle

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post #9 of 32 (permalink) Old 05-04-2012, 01:41 AM Thread Starter
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The tank is about 1/2 to 3/4 inch from the top, bit higher than I would like it. When the pump off, the sump fills up. I am thinking you are right just need to turn the flow down on the pump and see how it goes? I was also thinking about adding bio bale where the foam is since I have 2 extra bags still.
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post #10 of 32 (permalink) Old 05-04-2012, 07:47 AM
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You issuse is that the return area of your sump is much too small.

In other words, the amount of water needed to be pumped to the display tank for the overflow in the tank to function properly is greater than the amount of water the return area can hold. This causes the return area to empty, and your pump run dry.

As an example, take a look at this manufacturer's sump (offsite link) - http://www.superskimmer.com/48_Sump.htm

Note that the return area on the right, is about 1/2 the entire sump. It's true that this is a sump specifically designes for a reef system and in that application, that return area may have other things in it and the flow through it tends to be much greater that what is typically used for a planted tank, but you get the idea.

I think you best long term solution would be to rebuild your sump, making the return area larger. You might want to use either a larger tank or two tanks for the sump to get in every feature you want.

You could restrict the flow from the return pump, but that's going to be counter productive, and the water level in your main tank will be a bit lower.
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post #11 of 32 (permalink) Old 05-04-2012, 09:42 AM Thread Starter
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Quote:
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You issuse is that the return area of your sump is much too small.

In other words, the amount of water needed to be pumped to the display tank for the overflow in the tank to function properly is greater than the amount of water the return area can hold. This causes the return area to empty, and your pump run dry.

As an example, take a look at this manufacturer's sump (offsite link) - http://www.superskimmer.com/48_Sump.htm

Note that the return area on the right, is about 1/2 the entire sump. It's true that this is a sump specifically designes for a reef system and in that application, that return area may have other things in it and the flow through it tends to be much greater that what is typically used for a planted tank, but you get the idea.

I think you best long term solution would be to rebuild your sump, making the return area larger. You might want to use either a larger tank or two tanks for the sump to get in every feature you want.

You could restrict the flow from the return pump, but that's going to be counter productive, and the water level in your main tank will be a bit lower.
ugh, that not good. I just built this sump about 2 weeks ago to replace my old one. since the tank is fully stocked, with 100's of dollars worth of fish, I don't think rebuilding the sump is an option since I am not sure what I would do for the 48 hours it would take to let it dry. now I am not sure what to do. As far as larger tank, that the biggest tank that will fit under my stand, it 38 gallons. I have to put it in from the front, no side door, so I don't have much room to work with. 40, 50 or 55 won't fit.
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post #12 of 32 (permalink) Old 05-04-2012, 09:44 AM Thread Starter
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What if I were to just take out the last 2 baffle and use foam as my divider? That would be the simplest fix?
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post #13 of 32 (permalink) Old 05-04-2012, 10:12 AM
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Can u drill holes in the bottom of the baffle to increase flow? I know it would be easy to drill higher up im just thinking to reduce splashing and noise?

U could take that baffle out and add one of those tank dividers that is drilled and slottrd. Make the whole bigger and keep the foam where it is?

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post #14 of 32 (permalink) Old 05-04-2012, 10:20 AM Thread Starter
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What about just moving the pump to the middle section.

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post #15 of 32 (permalink) Old 05-04-2012, 12:12 PM Thread Starter
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The far left baffle is already 2 inches up from the bottom, could I not just remove this baffle and problem would be solved? Seems like that is my only option or go buy another tank and build another sump. ugh.
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