DIY sump design - Page 3 - The Planted Tank Forum
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post #31 of 33 (permalink) Old 07-07-2013, 04:25 AM Thread Starter
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I had another question. If I drill a small hole in my return line, close to the pump but below the normal water line, will that help keel the pump from running dry in the case of an overflow blockage? Will the hols interfere with the pump returning water to the tank if they are above the waterline?
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post #32 of 33 (permalink) Old 07-07-2013, 05:30 AM
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just my experience but....

I have a sump for my 75gallon tank, I would say mod planted with 25 rainbow fish. I feed flakes 2-4 times a day, whiteworms or brine shrimp 1 x a day. my sump has 1- 4" coarse poret foam sheet, 1- 2" fine poret foam sheet, the foam filter that came with the return pump and some wasted purigen(wasted because I think I get very little flow through it) and a mag 5.0.

I could have 10 sheets of poret foam and bio rings and bio-balls and what not, but all that is really just wasted. This works fine and simple. No baffles needed and probably
5X cheaper in the long run.

As far a nitrates I would just say more plants growing better in your tank should fix that. If it doesn't then try to figure out why and address that. If you are set on the refugium idea then make your sump able to grow terrestrial plants they are better at nitrate removal.

20L My Other Tank: OEBT Shrimp
40B Inlaws Tank: 2 goldfish
75 Main Tank w/ sump: 5 Glossolepis pseudoincisus, 5 Melanotaenia boesemani, 10 Melanotaenia praecox, 5 Melanotaenia lacustris, some cories, a bn pleco and rainbow fish fry
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post #33 of 33 (permalink) Old 07-07-2013, 12:21 PM
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or have floaters for a refugium. they are easy to grow and don't have any specific co2 needs..

collin. it will not keep ur pump frm running dry.. but a properly sized sump will
a sump should hold 10% of the total tank volume.. this allows for drain blockage and pump shutoff
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