Refractometer

I was looking at the one at Premium Aquatics.

http://www.premiumaquatics.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=REFRACT-PA&Category_Code=

the blue one for 44.95.

Dr. Fosters and Smith.. I know, usually more expensive has this one for 42.99. Does this look like a good model? I'm looking to order other items from them, and think it would be easier to order at the same time, but was wondering, I've never had a Reafractometer and want to make sure it looks like a good one.

http://www.drsfostersmith.com/product/prod_Display.cfm?CatalogCustomerNum=&catalognum=&pCatId=9957&prodId=18716&catId=1178830&siteid=6

Please let me know if anyone has any information on this one, looking to order in a couple of days.

P2kmon
 
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