1mg/L refers to concentration of NH4. Not dosage. So you don't need to time 189L. Actually since Brad has (had, since then he connects the QT to his sump) 50 G, he only needs to dose 5 ml to lower the whole tank of NH4 by 1mg/L (theoretically).
Ya, I woke up thinking about my confusion.
Quite the brain fart on my part.
04-09-2012, 08:52 PM
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