Several years ago I called or E-mailed Jobo about this and was told that their plastic tanks were IR opaque and could be used for processing IR film. Jim Stewart In a message dated 12/28/2007 4:08:49 AM Mountain Standard Time, earthsoda@xxxxxxxxx writes: > BTW > Anyone know which tanks are certainly NOT safe for IR > processing? > <BR><BR>**************************************<BR>See AOL's top rated recipes (http://food.aol.com/top-rated-recipes?NCID=aoltop00030000000004)</HTML>