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Hello everyone, I had a few questions on setting up my air Abrader specifically on air dryer filters I know there are a lot of pages out there as I've read them all. I have this filter from harbor freight LINK I know I need a desiccant filter or two as well and I got to thinking if I should return the one I have and get one of those 2 or 3 stage filters with the desiccant filter included like this guy: https://www.harborfreight.com/38-in-nptf-desiccant-dryer-and-filter-58180.html?utm_source=google&utm_medium=cpc&utm_campaign=12126915354&campaignid=12126915354&utm_content=132243102869&adsetid=132243102869&product=58180&store=41&gad_source=1&gclid=Cj0KCQiA35urBhDCARIsAOU7Qwl0IefDZuU6PvZ7X9WUiyCjhicbkNiLligX1zlEXNZ7XElW3KtEy3saAp7QEALw_wcB I was also curious if and if so why I need a regulator at the end of my desiccant line. One a similar note I've read several complaints about the size of desiccant filters and came across a YouTube video I think @hadrosauridae made (correct me if I'm wrong) making a large DIY desiccant filter and was curious if anyone has done that or something similar with good results. I do live in Utah so I don't have loads of humidity but know dry air is a must and I'd rather do it right the first time (while staying within my PhD student budget haha) Thanks for all your help in advance!

I am a new member here and have been reading about fossil prep. I have an air scribe but am looking for other tools and techniques needed to prepare my finds. I have seen the abrasive techniques used in videos and reading here on the forum. My question is what should I be looking for in an air abrasion. What tools are needed and what kind of media is used?

When prepping fossils with an air abrasive unit, what is the micron size of the dust created? I've been looking on here, googling, etc trying to find some data on this with no luck. I know it varies on what you're working on and substrate for blasting, but wondering if anyone knows what the smallest particle size is released from the prep work?