03-04-2010, 08:56 PM
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That is starting to set in pretty good Brad. If it were my tank, I would lower the salinity to 1.016. Just do a series of water changes, replacing the saltwater with freshwater. You could wait to see if the UV arrives tomorrow and give it a few days, but I'm afraid the next round of ich will be very heavy, and you may want to pull out the options now.
Keep in mind, as soon as you begin to medicate or alter the environment, you are adding an additional stress to the fish. So it is not without risks. However, many people believe that the lower salinity makes it difficult for the parasites to thrive, and allows the fish to devote more energy to their immunity system. I have used this method many times, honestly with mixed results. However, the results have been far greater than with medications.