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Specimen cleaning, Tips and techniques
jfresh
post Feb 9 2016, 06:54 PM
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http://www.ebay.com/sch/i.html?_odkw=texti...un&_sacat=0

Found it...Thx! It doesn't even need a compressor. That's pretty cool!
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Greenday401
post Jan 23 2017, 07:32 PM
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I know the hard part is finding a mineral specimen, but are there local companies that can clean the rocks for a fee? I have never tried cleaning before and, assuming we find something good on vacation, I would not want to risk harming the rock.
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Denise
post Jan 24 2017, 10:23 PM
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Good question! Yes there are local companies that do clean and trim specimens like Collectors Edge. They are one of the more pricier ones but there are many more to choose from. Others might chime in with who they like to use when they don't clean them themselves. I personally think cleaning them up is half the fun. happy088.gif


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Jcwisvo
post Dec 6 2017, 04:58 PM
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I have been using a carpet cleaning grade rust remover similar to wink but I noticed when I take them out they are much better as far as iron goes but then soon turn white. I assumed it was a pH thing so I tried a mild alkiline mixture to no avail. Any suggestions for that?
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cholman
post Jun 13 2018, 03:16 PM
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QUOTE (ColoradoProspector @ Nov 6 2009, 09:43 AM) *
...
For those who might be looking for one of these, just search "textile cleaning guns". Ours is an Arrow brand from overseas and works really well for many kinds of cleaning specimens or flat lapped stones between grit stages.

Here's a picture of ours in use blasting out a thunderegg between grits for the flat lap process. Always remember to use safety goggles when cleaning minerals or specimens with these pressurized water guns, they can back splash alot and it's best to do outdoors if possible.
What's everyone else been cleaning from their finds this year? emoticon-misc-004.gif anyone.gif

[attachment=3656:Pressure_Washer.jpg]


I'm having trouble adjusting my Arrow CM-11a spot cleaning gun to give me anything but a soft spray. How do you dial in the back knob and the front lever to get that piercing jet I was hoping for? It worked when I took it out of the box this morning, but after the first refill - just mist. Wish I hadn't messed with the knobs... tongue.gif
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Denise
post Jun 13 2018, 07:11 PM
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Hi cholman, and welcome to the CP forums. sign0016.gif

Adjusting the sprayer can be very tricky. Here is Arrows usage instructions for their textile cleaning spray guns...
"Spray gun usage"

It says..
QUOTE
6. Turning the pressure-control knob located at the back of the unit in a clockwise direction, by around one turn will make it set to a initial low pressure setting. Important : Do not close it fully.


This one specifies your spray gun...
QUOTE
13. While using the Arrow CM11A spray gun or the Arrow CM16A spray gun, the spray velocity and area of spread of spray can be further adjusted by turning the adjustment knob fitted on the nozzle. The adjustable nozzle is capable of delivering a fine mist spray, right upto a piercing straight-line spray, by making suitable stepless adjustments.


I hope this info helps some and good luck adjusting it. happy088.gif


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