Quote:
Originally Posted by banditpowdercoat
I acctually did not get a reading with one syringe, It took 3 drops of the 2nd syringe to get the Alk to change color. My other tanks are hovering around 8-8.3 so I know the kit is OK. I checked it twice, same reading too. What gives? Can it really be that high? what brings Alk down?
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Double check with another kit before changing anything. The chances of it really being that high are pretty slim unless you were really screwing around with something. I would expect your pH to also be high if it were really 16dkh and things would not be looking normal.
I had a Salifert Alk kit that seemed okay most of the time but the first time I tried it on a freshly mixed batch of IO I had the same result. Carefully double checking the kit did show that it was reading ~1.5 dkh high compared to others but I never figured out why it measured that one batch at 16.