The Planted Tank Forum - View Single Post - What am I doing wrong? EI Dosing
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Old 02-16-2013, 03:53 PM   #8
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Do you use tank water in your drop checker? Or, 4 dKH water? If it is tank water, it doesn't indicate how much CO2 you have. If it is 4 dKH water, made from distilled water containing only bicarbonates, you can assume that you probably do have enough CO2. But, with no fish, there is no reason not to increase the CO2.
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