Bubbles forming below gravel - The Planted Tank Forum
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post #1 of 3 (permalink) Old 02-17-2012, 08:58 PM Thread Starter
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Bubbles forming below gravel

Hi have two 20 gallon tanks with a thin layer of organic soil at the bottom and a layer of flourite at the top. I keep getting massive amounts of bubbles forming below and whenever i poke a hole to plant a new plant (example) the bubbles come out from underneath. Why does this happen and what can be done? I heard MTS will aerate the soil and prevent this, but i'm not too sure. Thanks!

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post #2 of 3 (permalink) Old 02-18-2012, 02:51 AM
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I believe this poster had the same issue, hopefully it will help you as well: http://www.plantedtank.net/forums/su...-gas-lots.html

When you say flourite, do you mean flourite sand or the gravel? MTS can definitely aid in letting those gas bubbles out if it's sand. They'll have a harder time digging into the gravel though.

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post #3 of 3 (permalink) Old 02-18-2012, 01:19 PM
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the gases are coming form decomposing matter

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