Alkalinity 2.0....I give up.

Lasse

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I feel comfortable raising it up to 0.5 dKH in a day. I’m not sure if there is a commonly accepted rate.

I have had my Hanna Alk reagent go bad, and read persistently low. When I got a new bottle my alkalinity was 3 dKH higher than I thought. Consider a backup test method or new reagent bottle to be sure
FYI


Sincerely Lasse
 

Randy Holmes-Farley

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Should I increase both alk and calcium at the same rate?

I’d stick to dosing them equally based on alk demand unless calcium is already too high or too low.
 

rishma

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FYI


Sincerely Lasse
Yes, thanks Lasse. I have been storing it in the refrigerator for a while now.
 

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