Question about iodine test

[andy-10]

I've never used this starch-conversion test before and am about to buy some iodine. Does this have to be a special brewers formula of iodine, or will any type do?

EBay sells the medical type. Thanks

 

[Fireside Ales Homebrewery]

I've never used this starch-conversion test before and am about to buy some iodine. Does this have to be a special brewers formula of iodine, or will any type do?

EBay sells the medical type. Thanks

Any medical iodine should work.