ProductsDyesToluidine Blue Toluidine Blue SKU: QB-65-12093 Unit: Each Brand: NUTRI-BACT Toluidine Blue Other products from «Dyes» p- Rosolic Acid ( Aurin ) # QB-65-12077 Ziehl-Neelsen, Solution De Bleu De Methylene, Contre Colorant # 8544 Ethyl Violet # QB-65-12045 Kinyoun's Acid-Alcohol # 8486