Active flora over dirt? - The Planted Tank Forum
 
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post #1 of 2 (permalink) Old 03-06-2010, 08:46 PM Thread Starter
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Question Active flora over dirt?

I have a 29 gallon tank set up with dirt substrate and River silt for topping. Thinking when I move it would be easier to set it up using Active flora. To prevent recycling will save 1/2 of present substrate and use it as base substrate when set it up.

I am wondering if in time if the Active flora will mix with with the dirt substrate? If yes then I need to use River sand again for topping.
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post #2 of 2 (permalink) Old 03-06-2010, 09:24 PM
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whenever you mix two materials of different diameters...there will ALWAYS be some mixing and settling

aka the Brazil Nut Effect

http://en.wikipedia.org/wiki/Brazil_nut_effect

dont worry about topping the Activ Flora (great stuff btw), just choose one that will match in color and will still look attractive after it mixes in
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