FAQ: The product page on www.neb.com states that my restriction enzyme comes with the new buffer, but when it arrived, it came with the old buffer.  Why? 

We are currently in the process of transitioning all of our restriction enzymes between the old and new buffer systems. The product pages on neb.com were updated to include the new buffer information mid March, 2013.  Replacement of product inventory containing the new buffers will happen gradually over the next few months.  We are working as quickly as we can to replace stock, but there may be a short period where you may receive an enzyme pack that contains the old buffer.  If you would like to receive new buffer please contact info@neb.com.  Information regarding performance in the old buffer system is still available at www.neb.com.
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