http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=9&pub=5574944211&toolid=10001&campid=5336763930&customid=&icep_uq=canadian+nickel&icep_sellerId=&icep_ex_kw=&icep_sortBy=12&icep_catId=39482&icep_minPrice=&icep_maxPrice=&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg
http://coppercave.com/copper/index.php?_a=viewCat&catId=8
http://m.grainger.com/mobile/search/nickel-copper-tubing/pipe-and-tubing/plumbing/ecatalog/N-a9v?an_lnk=idpmore
http://www.amazon.com/dp/B00AM96R60/ref=biss_dp_sa1
http://www.mcmaster.com/#standard-nickel-sheets/=m093e4
http://www.essentialdepot.com/servlet/the-13/2-lbs-Potassium-Hydroxide/Detail