The Planted Tank Forum - View Single Post - problems with Harlequin Rasboras????
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Old 02-11-2003, 12:18 AM   #2
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That's a pretty big swing in pH. You know it is a log scale, 7.0 to 6.0 is ten times the acidity. I've read that you should try to limit pH swings to 0.2 when possible. Have you tried leaving the CO2 on overnight?
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