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Old 01/11/2008, 11:06 AM
"Umm, fish?" "Umm, fish?" is offline
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Join Date: Jun 2005
Location: Boulder, CO
Posts: 2,055
Did you check the salinity of the tank water after you microwaved it? You tend to have a lot of evaporation in the microwave. 1.023 is kind of pushing it on the high end for rotifers, and if you salinity went up in the microwave, ... well, I have absolutely killed off rotifer cultures by screwing up and letting the salinity get off on the high side.

Good luck!

"And chase the frothy bubbles, / While the world is full of troubles. . . ." --W. B. Yeats