I thought that I had a high salinity problem. I kept doing water changes to see if I could drop the salinity down. I have a 120g DT. After abt a month with about three - 20 gal water changes I notice another jump in salinity 1.031. I started to worry even more. Now I was more agressive by taken out about 5 gallons out and adding about 5 gallons of straight RO/DI water about twice a day. Still no changes to the readings (1.031). Oh no, corals appear to be in trouble. So I stopped what I was doing and asked John out at BRK for help. He said to bring in the Refractometer and some water. Some of you might have already suspected what I'm about to tell you. Somehow the adjustment knob on the Refractometer had been moved. John recalibrated my meter. My water sample tested was somewhere about 1.012. John suggested the following of which I was surprise of the magnitude. First he ask me to leave BRK and get home to start the following process.
Once home, measure your new baseline salinity reading.
Take a 5g bucket and add 10 cups of salt. Wow
Mix it well with a power head and add about 2.5gal to the DT.
Take a reading in one hour. He suggested that the recommended salinity increase per hour of .001 would be acceptable. That is precisely what happened. So every hour or so I would remove water from the DT when necessary and replace it with additional SUPER saturated salt water.
This morning my 120g DT is still quite cloudy but the salinity is right at 1.026.
The fish are doing fine but most of the corals at this point look like a lost cause. Most on my criters have also been lost. To say the least I am very disapointed as it appears that I have lost just about all of my inverts. $$$$
I'm not sure if I'm quoting anybody specific but a quote such as "A wise man shouldn't ever repeat his mistakes, but a wiser man shouldn't repeat the mistake of others". I hope that the above situation never happens to any of you and if it does you'll remember this post.
Thanks again to John Bianchi at BRK.