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Water Changes and Excel

627 Views 1 Reply 2 Participants Last post by  tankman12
I have been dosing excel for two days now and today is water change day. How does changing my water affect the co2 and should I change the water in the morning before I dose or does it matter? I normally do 50% once a week.
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I heard that plants absorb it within only hours. So if you wait maybe 3-5 hours after you dose, to do the wc you should be fine.
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