BTW just as more info, I'ver had the osmolator for about 4 years and when I got it, it had those gimpy stoopid mounting arms. I upgraded to the magnetic mounts (they should be stock now), and it's awesome. The most I've done for cleaning is rubbing my finger over the lens and a fresh water flush over it... it's pretty bullet proof, I was worried about algae or other build up screwing with the refractive sensor, but not even after so many years...
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