Iodine test kits

Are these pretty standard to cost $30? All my other test kits (Calcium, Nitrate/Nitrate, etc) were less than $15. Is this one just really expensive and out of the ordinary?
 
here is one for $14 from PA. I use this one and really like it.

http://tinyurl.com/ypawdn
 
i just got the salifert iodine testkit and don't like it. the color differences are pretty much impossible to distinguish between.
 
Yeah, I'm not a big fan of that test myself. I used it once, then let another member use it and now it just sits.
 
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