From previous advice I need to start using copper immediately. I have two clownfish and a lawnmower blenny moved to a 13g QT tank. I have coppersafe on hand however the reader will not arrive until later this week. Can I start the treatment now or should I just hope for the best and wait until the reader arrives. If I can start how should I do so? If not will freshwater dips assist the fish until the meter arrives.