Thread: correcter plate clean
View Single Post
  #2  
Old 03-01-2023, 10:57 AM
Boozlefoot's Avatar
Boozlefoot
SQM 21.98 mag./arc sec2

Boozlefoot is offline 		 
Join Date: Nov 2016
Location: As far from Suburbia as practical
Posts: 452
Hydrogen Peroxide 3%, give it a minute or two to soak - maybe a few drops of ammonia in a fresh batch of the solution if this doesn't budge it.
Reply With Quote