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Re: [Phys-l] experiments with dyes (was: happy equinox)

Costco sell re-ink kits for inexpensive -- 6 "colours" + black

bc re-inks


On 2008, Mar 24, , at 00:33, John Denker wrote:


Ink-jet printer inks are readily available and probably not too
dangerous to handle (though not as safe as food coloring).