In this doc. about another product(?) it says most of the oil is removed.
http://www.calspraydry.com/assets/pdf/fishspecA.pdf
Seems fishy to me ;> ..... but if one likes it, it works and its cheap and harmless...well why not
http://www.calspraydry.com/assets/pdf/fishspecA.pdf
Seems fishy to me ;> ..... but if one likes it, it works and its cheap and harmless...well why not