Freshwater sump. Why not? - Page 2 - Equipment - Aquatic Plant Central

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Old 10-11-2011, 09:05 PM   #11 (permalink)
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You better start a journal on that pond sump! But as my first serious post on this thread, any plant that could grow emersed would be great for this application. Particularly if you could position it to get some sunlight. You wouldn't be limited by co2, as the plant would use atmospheric co2 for photosynthesis, and if you could utilize sunlight, the only limiting factor would be nutrients, ie what you are trying to 'clean' out of the water. The trick would be designing it to where the plants could have a good grow medium/substrate and still achieve good water flow. This would definitely be more effective for aquaria where you couldn't have plants. I have considered using 'old' water from my non planted aquariums for water changes on my planted aquariums and dosing less nitrate and phosphate. I think for good sump growth you may need to toss in some micros and potassium from time to time.
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Old 10-11-2011, 09:51 PM   #12 (permalink)
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Default Re: Freshwater sump. Why not?

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Originally Posted by D9Vin View Post
You better start a journal on that pond sump! But as my first serious post on this thread, any plant that could grow emersed would be great for this application. Particularly if you could position it to get some sunlight. You wouldn't be limited by co2, as the plant would use atmospheric co2 for photosynthesis, and if you could utilize sunlight, the only limiting factor would be nutrients, ie what you are trying to 'clean' out of the water. The trick would be designing it to where the plants could have a good grow medium/substrate and still achieve good water flow. This would definitely be more effective for aquaria where you couldn't have plants. I have considered using 'old' water from my non planted aquariums for water changes on my planted aquariums and dosing less nitrate and phosphate. I think for good sump growth you may need to toss in some micros and potassium from time to time.
Lol. I will be the first to start that journal. I wonder if I could do it not.....?

Anyway. My biggest point behind this was to point out how it would benefit fish only tanks, where you cant have plants. I am thinking baffles in the sump, and a high turnover rate. Also you would probably benefit from using faster growing plants as they will suck up nutrients faster. This also could help the fight against algae. And I think, emersed growth would be key. You wouldn't want to inject a sump with CO2 just for the plants in it. I think they would take enough from the atmosphere, like you said, but they would also get plenty from fish. And sunlight would be a plus. If not that, maybe high light. And you are probably right on the micros. That would be easy though.

I wonder if anyone will put this to use and start a fuge on their tanks? Lol.
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Old 02-04-2015, 07:15 AM   #13 (permalink)
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If you want to lower your cichlid tank maintenance id suggest looking into under gravel jets for heavy fish waist run a sump on an overflow with floss to break up chunks with a refugium on the bottom. Use either bio balls or flourite sand as a biological agent to cycle into nitrates and on your refugium use decent flourite bed and do a dwarf baby tears as a carpet keep in mind rooting plants only consume through the substrate and for your column id do hornswort it doesnt root so you can put it in bulk in your refugium and grows pretty easy. Either way to get good nutrient consumption you should run good lights and probably co2 24/7. Id run an army of amano shrimp to eat dead plant matter and maybe a few siamese algae eaters. Id also do an army of malaysian trumpet snails to control detritus and airate your substrate. Running that setup the only maintenance you should need is top offs.
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Old 02-05-2015, 11:56 PM   #14 (permalink)
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Default Re: Freshwater sump. Why not?

I'm building a sump on my new tank. I think as long as you make the overflow silent, it won't make more noise compared to a canister pumping the same amount of water. The only drawback I can think of is indeed CO2 loss. I'll seal my sump and this way this is minimized and will greatly outway the benifits!

The drawing nutrients away like a refugium won't work for a planted tank. You want the nutrients in your tank. For a cichlid tank or something a freshwater refugium would work great!
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