Freaky Fishy days of February

In February we had some scary times were the nitrite level was very high.
 It got up to 15.0 which is higher than it's been all year. We have lost 60 total Chinook Salmon in these freaky times of February.
 We did not know that the tank was suppose to be filled up to the top causing uneeded nitrite to fill up in the unused space.
For a little while, the nitrite level went down to safe standards but on February 24 2016 it went back up.
We thought that once we filled the tank back up the scary times would diminish. We were wrong!

       The nitrite level climbed the scale once again. It isn't as bad as it was at the start of freaky fishy days of February but 10.0 is still of the charts. 
       The nitrite is suppposed to be below 1.0 but obviously mister nitrite is not cooperating.
For now we'll just hope for the best and try to flow through.