>>3521860Not trying to bash you or your purchase, man. Don't worry. It's just that I've been using simple Isopropyl alcohol and q-tips for ages now and I never ever had a single issue with it. Swabs are convinient, yes.. on the other hand, $50 can buy you a Liter of Isopropyl and a shitload of q-tips that would last you for ages.
The protection glass sheet on top of the sensor is not as fragile as people tend to think/say. They are quite robust as long as you don't apply too much pressure during cleaning.
I even did that on my trusty Leica M9 for years.