http://www.emdbiosciences.com/html/cnbi ... light.html
6 (100 count) packs of of pH 4.0-7.0 for $64.90 or 1 pack for 11.80.
Shipping costs are a bit murky. I think it's $22 flat rate shipping. This would make the 1 pack a no go, but the 6 pack would still be a really good deal.
