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So I am trying out all for reef in my 20g tank and I just did my first round tonight. My alk tested at 6.2 and I tested it 30 mins later and it only tested 6.4 on my hannah checker.
I added 4ml to my 20g tank for an increase of .2 alk. Is that correct? Should I add more now? Did I test too soon after adding? My daily usage is .3dkh.
I added 4ml to my 20g tank for an increase of .2 alk. Is that correct? Should I add more now? Did I test too soon after adding? My daily usage is .3dkh.