The Planted Tank Forum - View Single Post - Frequency of water change
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Old 11-06-2013, 07:01 PM   #1
randerson
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Default Frequency of water change

I'm sure this has been covered somewhere in the forum, but can't seem to find a thread.

How frequently is a water change needed with a high tech tank? Is it needed at all?

I'm noticing that my parameters are pretty good at the end of the week and don't really call for a water change. Nitrate levels are naturally staying low. Are we worried about trace nutrients or toxins building in the tank? Looking for sound science on this. I guess I'm asking, what's the point of doing a water change if all the parameters are good?
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