I didn't have any other mixers (swirl or other type) so I can't comment on them. I have one of the battery powered blenders with a long shaft and a blender head on the bottom - it's messy and slow to use with dropper bottles - I had to grind it up a bit to even fit the blender head into the neck of the dropper bottles. I bought this to mix my collection of Vallejo, Army Painter, P3 and Citadel paints (mostly in 17ml dropper bottles). I bought it because it seems durable and "industrial grade" with good reviews. than some but looks more solid. First impression (received yesterday) It's quite beefy and doesn't travel all over the table when vibrating. While it's heavy, it's not very large, so it doesn't take up a lot of valuable desk space. Quiet So far I've mistook maybe 10 bottles of Vallejo pipettes for air and some metallics. You can place a dropper bottle upside down on the machine and push down a bit and it will start to rise (just a finger on the base is enough to hold it - it doesn't (or doesn't) take much force down). . also and put your finger on the top. (NOTE - there is an ON/OFF switch on the bottom of the unit - it must be in the ON position for the unit to start by pressing the head.) I did 10 in a row (maybe 5 seconds x 3 on each bottle ) - there is no real engine heating, which is good. I ordered some Army Painter bearings that fit in dropper bottles (not here yet). Mixing looked good on the bottles I made - adding a ball bearing can only help. So far I'm pleasantly impressed - the packaging was excellent and the speed of delivery is to Revain Prime's usual high standards. Will update this review after longer use.
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