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Quoted from robm:Dave,
I purchased an order a couple of months ago, around 270 or so from memory. Some won't be used for a while, should i add any oil, WD40 or other substance to the balls inside the plastic bag?
good question. I'd like to know what to dip them with for storage. plain old motor or vegetable oil?
Quoted from ballbaron:I'd be interested in a follow-up as you rack up more plays with chrome balls. Please use the contact form on my website at ballbaron.com and thanks!
about 50-60 games in now and I've noticed that some of the balls are starting to exhibit signs of being magnetized (remaining on the sparkey magnet when it's not energized, slow moving balls getting stuck together
they still look incredible, so I will run them through my degauss ring and see if that takes care of the problem
you can coat them with a really thin layer of oil and put them back in the bag if you're worried. it's not like you've got to immerse them in a container completely filled with oil
I finally got around to running my magnetized ninja balls through my professional grade deguasser and that seems to have eliminated the magnetism for now. I'll let you know how many games are played before I notice it start to affect play again
about 15 games after deguassing them, some of the balls started exhibiting signs of being magnetized again
Quoted from ballbaron:I'll be interested in your findings as you send the 15 play balls through the degaussed again. Will the lifespan be even shorter than last time? Have you tried swapping them for carbon?
I'll try and give that a whirl this week. just finishing up with a couple of other pinball projects 
I've got some brand new carbon balls from another company that I can try but I actually swapped those out to yours when I got them because they were so nice and shiny!
worse case scenario is that I use all of the rest of the ninja balls in my RFM, seawitch, CftBL and joust
Quoted from ballbaron:I know it's been a while since your post but is there a way to remove one of the magnetic features and find a manufacturer ID on the magnet itself? Would it be possible to do this on all the magnetic features on a machine that continues to magnetize the balls? I'm thinking that the strength of that magnetic field may vary from magnet to magnet and could be caused by variations in production windings or core material. If there is no standard, then the results could be all over the spectrum. Just a thought I've be spit-balling...
if I get a chance, I'll look at the sparky magnet and try and get you the info. since that magnet is the one triggered the most in the game, it's probably the culprit
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