Freshwater Sump with a Aquaponics Chamber - The Planted Tank Forum
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post #1 of 5 (permalink) Old 08-21-2020, 03:01 PM Thread Starter
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Freshwater Sump with a Aquaponics Chamber

Hi Everyone.
I'm currently in the design phase of a 29 Gallon freshwater sump for a 75 Gallon display tank. In the large sump chamber where much of my bio-media will reside, I'm considering adding an Aquaponics tray with floating plants to assist in reducing Nitrates in the water.

I would appreciate any comments, concerns or tips anyone could offer.

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post #2 of 5 (permalink) Old 08-21-2020, 06:20 PM
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If you scroll to the end of my blog post Evolution of my 110g Stock Tank you'll see a photo of my 40g sump. It has floating water sprite over 2 anoxic biocenosis clarification baskets and two baskets of lava rock.
(Tank is currently colony breeding red swordtails)
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post #3 of 5 (permalink) Old 09-11-2020, 09:27 PM
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Hey so the guy recommending a canister over a sump is silly If your tank is pre drilled. Canisters are expensive and they break eventually. When they break youíre replacing the entire 350$ purchase.

Kodi nox

Last edited by scotoreilly; 09-12-2020 at 11:31 AM. Reason: edit some words
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post #4 of 5 (permalink) Old 09-12-2020, 06:43 AM
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Hmmm....looks like sumps might be making a comeback into freshwater, which is great.

What are you keeping in the 75 gallon tank? Or is this more of a "for the piece of mind I get from plants sucking up all the nitrates/phosphates" thing? Can you show us your sump design and where you want to put your plants?

Depending on placement/light, it might be more beneficial to instead do a faux-hydroponics tray, using LECA and something like pothos or monstera (really any aroid), since they require a bit less light.

So many fish/plants/inverts to keep, not enough aquaria.
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post #5 of 5 (permalink) Old 09-15-2020, 08:17 PM
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Why do you want to reduce nitrates in your tank? I have a sump along with a fully stocked tank and I add nitrates daily to keep it in the 15-20 ppm range.
If you are building a fish only tank it makes sense, otherwise its not necessary.
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