For me it has always been 2 part, easy to store and use, and relatively not prone to accidental spikes. What are some methods that other people are using?
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I am very new to the hobby, my tank has been up since 3/1/12 so far everything has been doing good. I have been noticing that my Alk has slowly declining I started out at 8.5 and now I am at 7.7 could someone please explain 2 part dosing in English so I can try and better understand. Sorry for sounding so newbish it I am.

