Brew12
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Reef Tank 365
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My Tank Thread
I'm with you now. This works because you have excess CO2 in your system. The Kalk will convert some of the excess CO2 to Alk giving you a bigger short term boost to your pH. Very interesting!Are you sure? For example, I use Soda Lime on my skimmer intake and it has increased the PH of my tank. However the Alk has not increased. I thought the reason for a higher PH of Kalk to Soda Ash was that Kalk consumed more CO2 than Soda Ash. I am not implying that Soda Ash consumes CO2, just that if it does it will be less that Kalk.