Grit in soda blaster
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  1. #1
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    Grit in soda blaster

    Hi, has anyone successfully used grit in a Millar soda blaster?

    I bought the soda only one a few years ago and didn't get on with it - kept clogging up and the soda dust killed the plants along the drive. Also, they brought out a combined grit/soda version a couple of weeks after; that irritated me as I would have bought it in preference. Anyway, it's been put in the lock up since but I could do with getting it going for the Pilot Woodie project. So, what else can I use in it and how can I modify it for something like ground walnut shell?

    Any advice would be gratefully received.

    John

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    I'm Not Jed Clampett stueeee's Avatar
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    I've been using one of these cheapo guns loaded with Bicarbonate instead of grit for some jobs, works well and has never clogged yet; I've never bothered fitted the recycling bag thing. As you've already discovered you really do need to keep the used soda away from growing stuff that isn't weeds

    https://www.aldi.co.uk/spot-blaster-...93045028503003

    If there's any damp in the compressed air it will probably cause clogging whatever the media. I do run two water traps in series when I have used this.

    Not sure if Walnut shell media would be aggressive enough for car work, the only time I've seen it used was to remove some old french polish from intricate wood carvings without damaging the wood.
    Stuart.
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    Thanks Stuart
    The two water traps is a good idea - I've only used one but I do have a spare somewhere.
    I guess the answer is just to drag the thing out and try it. It was just the thought that it was intended for soda and the conversion kit to grit is something like £85, so I was presuming that the metering would be different. Maybe not?

    Cheers John

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    Official RnS Addict mygasser's Avatar
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    it's not just the air supply needs to be super dry, the media (whatever type) must be dry also or it'll clog up.
    need a job done on your project? i may be able to help.

  7. #5
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    Yes, I'm sure the old soda will be useless now.

    Seems like a good time to try a conventional grit. Anyone know what Archfine is? And what a cheaper equivalent might be?

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