25dkh?
You know, you can just test the alkalinity of your system to dial in the reactor. The dkh reading of the effluent itself isn't necessary. Just costing yourself money in reagents.
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It's the return of Dr. Goodluck Himself. fml!
Current Tank Info: 156G "brick", 150 sump and 75 fuge replaces Fire, Destruction, Sad :(
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