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Old 19-03-2018, 12:49 AM
RobAB (Rob)
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RobAB is offline
 
Join Date: Apr 2016
Location: Cape Town South Africa
Posts: 1
Yes Darren

I take 99% isopropanol and dilute it with 50% distilled water. This is because I find that pure isopropanol evaporates too quickly. Before you get a chance to mop it up with a cotton bud, it evaporates, leaving the dissolved residue behind on the eyepiece.
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