I own a husky 1800, and using a special bayonet adapter kit that I had from a powerwasher universal kit, I was able to use this pressure washer sandblasting kit. I give it three stars for a few reasons. First, it does work, but its really slow. I was blasting the frame of my trailer and it felt like it was taking days to just do one side of the trailer. I eventually stopped using it and switched to spray on paint remover, which sped up my project 10 fold. However, this will work to remove rust and paint you just have to stand there and let is do its thing. If I had a 4gpm pressure washer on a high volume sand blaster (which this is not), I could remove rust and paint in a hurry, but this is not that tool!! If you had a small part and needed it sand blasted, this would work, but you'd have to put the time into it. Also remember that any water on bare steel will cause instant flash rusting, so be aware of that.
The second things is that you MUST use very fine sand. It has a problem where if it gets a chunk of sand in it that is large enough for the input tube but not enough for the exit tube where the water and sand combine, it will look like it explodes with water and then sends lots of water down the sand tube. I had this happen about 5 times over the course of the day. The key is to have very fine filtered sand. Play sand that I use was not filtered enough to use. I had to filter the play sand through a window screen that I had laying around to get the right size sand particles.
And as other people have mentioned, if you put the gun down the wrong way, the sand tube fills with water and any sand in there will cause a clog. I really wish that they had an easier way to remove the sand tube. After pulling it out a few times to clean out the clog, you'll loose the little o-ring that is in there, and wear down the plastic part. I was thinking of cutting the tube and putting in a piece of metal tubing that I could clamp down so that when it clogs I could remove the clamp and pull off the hose without having to pull out the plastic clamp thing that karcher engineered into the nozzle, which I don't think is made for many extractions.
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