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Old 06-04-2004, 04:56 PM   #1
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QT Waterchange

I'm going to do a waterchange in my 15 gallon QT, which I initially filled up with main tank water when it was started.

I'm planning on getting rid of 50% of the water, and replacing it with newly-mixed saltwater.

Is this ok - keeping 50% of the old "main tank" water, and putting 50% new water in?
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Old 06-04-2004, 07:29 PM   #2
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Re: QT Waterchange

Quote:
Originally Posted by MarkW19
Is this ok - keeping 50% of the old "main tank" water, and putting 50% new water in?
Not sure I understand that sentence but the mount of water you change should be directly related to why. If for ammonia and such, 50% would be fine. If it's just a regular change, I'd stick to 20% ish. The innitial fill of the QT is okay with main tank water but never use it for any future water changes, only use new saltwater for changes.

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Old 06-04-2004, 07:37 PM   #3
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OK - I've done 50% water because it's as easy to do 50% as 20% for me - ammonia and other levels are fine, I just thought I'd go "over" rather than "under" on my changes.
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