same, but the air compression can't remove very well a portion of the dust that sticks on the fan, that is the long part for me
If the dust stick to fans, either you have too much humidity where you are running your rigs, or your don't clean them out often enough, i clean out my rigs twice a month, and no problem with sticky dust. One other recommendation i have is to get an industrial vacuum cleaner, and when you blow the dust, to let his tube run not far so that it can capture this blowed out dust, otherwise the dust will go down again onto your rigs. you can't capture it all with this method but a good portion, if you have the possibility too, let a much stronger air circulation (by opening any doors, garage door, window & such) to carry much of the dust you are blowing too. Last the solution in the post above is good yes, because of pollen dust especially those have a tendencies to stick easily and it's very bad for fans. Mind that you have to increase your ventilation to counter those filters airflow reduction.
I have never tried these cans but I read these are even more prone to water condensation.
I wouldn't know, all I know is that they are recommended for cleaning PC's. I'm guessing you'd have to shake them and stuff (I have no idea, never used one), and that you should "spray" short bursts and not for minutes at a time.The point of the post was to not use a vacuum cleaner though, that's the important part.
Never use canned air for cleaning, they're prone for condensation if misused, and also very expensive, a compressor is alot cheaper and much more efficient, also the air pressure is incomparable to a can and allow for a much better cleaning. Always clean with small burst with the compressor also to not have condensation and maximum pressure buildup.
