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Old 01-11-2014, 01:02 PM   #1
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Under-gravel Filters & Airstones

So I'm building a Coralife Biocube 29 gal and i just wanted to know if you can use under gravel filters with sand? (Please excuse me if this is a stupid question...) Also, can I have a airstone bubbler in a biocube?

Fish: 1 Occelaris Clownfish, 1 Firefish Goby, 1 Scarlet Skunk Cleaner Shrimp, 1 Blue Green Chromis.
Corals: Green Star Polyps, Armor of God zoas, Purple People Eaters zoas, Button Polyps, Kenya Tree Coral.
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Old 01-11-2014, 01:21 PM   #2
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I wouldn't use the under gravel filter in saltwater

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Old 01-11-2014, 02:05 PM   #3
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I also would not use a bubbler in a salt tank. Power heads to move water are what is used for salt tanks. oxygenation happens at the surface.
I also agree that an undergravel filter is not a good idea. Here is an interesting read about them-
The Undergravel Filter Controversy
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Old 01-12-2014, 11:23 AM   #4
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Undergravel filters are old technology that requires you to tear down the tank to clean it. Id go with a hang on the back filter for that size
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air, airstone, filter, filters, gravel, stone

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