Thread: water changes
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Old 08-27-2013, 12:28 PM
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Quote:
Originally Posted by wreck View Post
Quick question, when u guys say 15-20% wc. Is that display volume or total volume of system? I have a 65 with a 40 b sump , how much would u change?
Total volume. Figure in rock displacement, sump isn't full, etc. For you, I'd say 20-25g biweekly.
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