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Ultrasonic Cleaner
Posted by: kansas_jayhawks
Date: July 15, 2017 05:42PM
Looking to buy one ... to clean clad and other objects.

Does anyone have one? If so how well does it do on cleaning coins? Would you use it to clean older coins like Wheaties?

Any suggestion on a good one to buy?

Thanks



If you died today are you prepared for where you will find yourself tomorrow?

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Re: Ultrasonic Cleaner
Posted by: Mega
Date: July 15, 2017 08:09PM
I have bought 2 of them over the years and if i am honest they have been the biggest waste of time and money ever,totally useless and these had not been el-cheapo ones either,one was a normal one and the other was from my wife's business that cost a 4 figure sum,they have been sat out in the garage for years gathering dust.Maybe great for gleaming up jewellery etc but for cleaning finds i certainly would never buy another one.Just my opinion of course.



Deus and Nexus MP main everyday detectors

Displays on a Detector are really the equivalent of relying on sub-titles,give me a Analogue machine anyday.

Some of my site specific use machines.
TDI Pro 20'' Mono
Nexus SE dual 9'' coil
Nexus MP 14x13
Fisher TW-5 twin box
Crossbow PI 14x9 Mono
Mirage PI 5'' Mono
DFX 18'' Detech
T2 SEF15x12
IDX Pro 15'' Concentric
Arado120b
B1 and B3
Trident11 Extreme NEL Snake


Mainly hunt deep ploughed and pasture sites,trashy roman/saxon and celtic permissions.

Re: Ultrasonic Cleaner
Posted by: Tom_in_CA
Date: July 15, 2017 09:00PM
No good for the coins that md'rs find.

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Re: Ultrasonic Cleaner
Posted by: Rick(ND)
Date: July 15, 2017 11:42PM
The couple I tried did very little in cleaning coins. Now for clad coins you need a rotary tumbler and for cleaning wheaties I have a vibrating tumbler which take a while, but come out looking natural, or close to it.


Rick



Sovereign GT
soon to be added the Minelab Equinox 800
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Timberwolfs HP for the Sovereign
Uni Probe For The other detectors
Got the detectors, just need time to use them

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Re: Ultrasonic Cleaner
Posted by: Larry (IL)
Date: July 16, 2017 06:55AM
Great for cleaning jewelry but coins....... no. A rock tumbler is needed for that and what medium you use in it is pretty much "anything goes" My favorite is sand but rocks right out of my driveway works as well. I have used aquarium gravel to commercial rock tumbler medium which is a bit too aggressive for coins but still works. Just keep an eye on it for "doneness" Be sure to clean your pennies separately or all your silver colored coins will have a copper color.

I tumble found coins a couple times a year and this is how they come out after tumbling 12 hours per batch in a handful of sand, a couple drops of dish washing soap and vinegar.Good enough to take to the bank anyway. I might add that a mist of WD40 will bring the shine back and it helps them slide right through the banks coin counter too.:biggrin:





Bells and whistles are nice, but nothing will substitute for the basic understanding of the hobby.

:minelab: CTX 3030



Edited 1 time(s). Last edit at 07/16/2017 07:06AM by Larry (IL).


Re: Ultrasonic Cleaner
Posted by: GeorgeinSC
Date: July 16, 2017 08:44AM
An ultrasonic cleaner is Not adequate to clean the majority of clad coins that I find. I bought one and even after hours of running my coins were still too dirty and discolored to run thru the coinstar machine. Get a tumbler.



Minelab Sovereign GT With an assortment of coils
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Minelab Excalibur II
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Ultrasonic Cleaner Recipe Plus Stainless Steel Shot Tumbling Info.....:cheers:
Posted by: John-Edmonton
Date: July 16, 2017 09:54PM
For most of your clad coins, tumbling them works best! I have years experience with ultrasonic machines. Don't use them on copper oxidized coins, as they will pit them. Do use them on silver coins. For iron rusted parts, use full strength vinegar, and run for long periods.

Here is the formula for an ultrasonic cleaner solution I use. As I don't use it on Pearls or Opals but its fine for most jewelry and non copper coins.

1/4 cup Mr clean
1/4 cup liquid ammonia
1/2 cup water

It was recommended to be used hot.



What I do, depending on what I am cleaning, is put the piece in different containers, and just fill the tub in the ultrasonic cleaner with water, preferably distilled water.



Also, do no overlook "Stainless steel shot tumbling." Tumbling is an easy and effective way to polish your finished metal jewelry pieces. You just buy some commercially available stainless steel shot, put it in the tumbler. Add just enough water to cover the top of your shot, add one drop of Dawn dishwater soap, your jewelry and rings and start tumbling. Mix silver only with silver. If you add copper, the silver will stain a copper color.

Below is a video I made on stainless steel shot tumbling...called the "3rd Way To Polish Coins and Jewelry."

https://www.youtube.com/watch?v=cbuiV3RJou0



Edited 1 time(s). Last edit at 07/16/2017 09:57PM by John-Edmonton.




Re: Ultrasonic Cleaner
Posted by: Mkus
Date: July 17, 2017 04:35PM
I use a thumbler tumbler with a quiet rubber drum and stainless steel shot and use lime away works great

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