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Discussion Starter · #1 ·
just started my first doy co2 and was wondering if i should add some ph buffer to the tank? did not want to kill the fish with the ph drop. any suggestions?:icon_smil
 

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No need to, CO2 was/is often said to eat KH, but it doesn't. The shift in pH only represents how much gas is in the tank, mineral content (KH/GH) doesn't change so it's not the type of pH shift that will harm a fish by disrupting it's osmoregulatory system.
 
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