Crafts Toys

what is ferric ammonium sulfate? what is it used for ?

I have craft instructions listing ferric ammonium sulfate as one of the ingredients. What is it? where can I get it? and is it safe for chrildren to use { with supervision of course}?

Public Comments

1. Its something photographers use. You can buy it on NexTag: http://www.nextag.com/ferric-ammonium-sulfate/search-html and at GFS: http://www.gfschemicals.com/chemicals/gfschem-605.asp