Dust on Sensor

I had some dust on the sensor of the 1D2 that wouldn't go away with the
Rocketblower so I thought of getting some dust removal stuff like a
gelstick and an Artic Butterfly. I did find the latter a tad pricey but
found a generic replacement. A proper swipe with the brush a good whirl
did not remove the dust but after a few clunks with the shutter too then
it was gone and I did not need to break out the gelstick. That what I
got was this thingy and it's priced about a third of the "Artic". YMMV,
of course:

http://www.ebay.co.uk/sch/?_nkw=MQ-MB100%20Sensor%20Cleaner

http://tinyurl.com/zd6pbmc
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teleportation kills