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Old 01-13-2013, 05:37 PM   #1
The Big Buddha
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Default Dirt Tank- bubbling through sand?

I set up my first dirt tank a few weeks ago with miracle grow, clay and topped it with 1/5 inches of black diamond blasting sand. still doing water changes to reduce the tannins, tank is getting pretty clear now.

I seem to be seeing alot of bubbles comming up through the sand. 1 or 2 bubbles every 5-10 secs maybe.

What is happening with the dirt, and should I be worried? I have not added any fish yet, just 1 mystery snail who has been in there since the 2nd week after setup.
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