Can I put it in my gem oro machine and just use it over and over til I need to dump, clean and refill or is it a 1 and done??

I always dump it after each use. I think you can probably use it over and over again, but I wouldn't leave it in the machine maybe store it in a separate container like a plastic bottle.

How long does is the liquid good for. When does it expire after purchase?

Gee. I just keep the liquid in the unit and reuse it over and over. I toss it out when it starts getting dirt particles. I can’t answer your question in particular as far as a length time goes. Depends on how often you use it.

Can the Sparkle Pak be used on eyeglasses in the ultrasonic machine ? How will it affect glass/plastic lenses?

I have never cleaned eyeglasses in the machine. I'm afraid it might damage the lens.

After cleaning the jewelry does the ultra sonic machine have to be drained after each use.

I have used the same solution several times. It really depends how dirty your jewelry and solution are. I have never had to empty it the first time. Hope this helps.

Manufacturer	GemOro
Part Number	0937
Item Weight	2.4 ounces
Product Dimensions	2.25 x 5.25 x 1.5 inches
Item model number	0937
Is Discontinued By Manufacturer	No
Size	1 to 1.5 Pint Ultrasonic Cleaners
Color	Purple
Style	Fine Jewelry
Material	Silver
Item Package Quantity	1
Special Features	Non Toxic
Batteries Included?	No
Batteries Required?	No

Sparkle Pak Plus Pre-Measured Packets - Ultimate Jewelry Cleaner for 1 to 1.5-Pint Ultrasonic & Sonic Cleaners, Spray Bottles & Soak Bath Jars

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