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post #1 of 5 Old 03-20-2009, 07:47 PM Thread Starter
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Testing Tank Levels Help

I was just wondering; do I do the testing before are after I do a water change? I got my kit today and it doesn't say if I should wait a few minutes after water changing or do it before hand...don't know.
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post #2 of 5 Old 03-20-2009, 07:49 PM
You do it before so you'll know how much to change.
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post #3 of 5 Old 03-20-2009, 08:22 PM
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If you were to change the water after a water change then you wouldn't be getting an accurate reading of the tank's parameters. Always test before a change. I always think test kits should give clearer instructions

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post #4 of 5 Old 03-20-2009, 08:26 PM
I would agree with that. lol
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post #5 of 5 Old 03-21-2009, 03:52 AM
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You should test before AND after to make sure the intended change happened. Especially at the end of cycling a tank your nitrates might be through the roof and one water change might not be enough. That's why it's a good idea to do a test after to know if you need to do a second water change.
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