[AZ-Observing] oh-oh... mirror cleaning time

It's been some years since I attempted a primary (12.5") mirror cleaning... 
but I can't put it off any longer.  I plan on holding it vertically next to 
the sink and spritzing some bottled water on it.

Any suggestions... and or, anything I must avoid?  How about a surfactant of 
some kind?  Is there a way of doing the same for the secondary without 
removing it from the vanes in the tube?  (I'm assuming that the salt in my 
softened water would be bad for the coating.)

I know you should avoid this at all costs, and I have for years.  I think now 
is that time.  Your suggestions will be taken to heart!

Stan F.


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