What are these bubbles? - The Planted Tank Forum
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post #1 of 4 (permalink) Old 02-17-2014, 01:37 AM Thread Starter
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What are these bubbles?

Hey guys! I have been noticing many tiny bubbles along the sides of my aquariums when I do a water change and they just linger. I doubt these have any significance in fish/plant health. But, I would just like to know what these tiny bubbles are.
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post #2 of 4 (permalink) Old 02-17-2014, 02:09 AM
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Just air from the water change.
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post #3 of 4 (permalink) Old 02-17-2014, 05:09 PM
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Are you using water from a tap with an aerator on it?
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post #4 of 4 (permalink) Old 02-17-2014, 05:20 PM
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It's the dissolved gasses from tap water. Ground water generally has higher CO2 and O2 levels. Not to mention it comes out of the ground cold so it holds more gas. Then it warms and is released from your tap. The O2 and CO2 will degas. Plants and fish alike love water changes. Many times plants will pearl as a result of water changes for these reasons.
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