Hardy Diagnostics CRITERION™ MacConkey Broth is recommended for cultivating Gram-negative, lactose-fermenting bacilli from water and foods as a presumptive test for coliforms. MacConkey Broth can also be used preenrichment of E. coli O157 for toxin testing.

CRITERION™ Dehydrated Culture Media by Hardy Diagnostics is formulated to meet or exceed the highest standards. Compare these features:

• Wide mouth opening - reduces dust formation by allowing the easy entry of a scoop
• Convenient handgrip - 'no slip' finger holds
• Stackable containers - for efficient storage
• Increased solubility - dissolves quickly
• Custom and bulk products available - to your specifications
• Competitive pricing - call for a price quote for large volume purchases!
• Complete technical/instruction sheets
• Unparalleled performance - tested for optimal growth

Container sizes include:

• 2L mylar® bag – pre-measured for a 2 liter batch, no weighing needed!
• 500gm bottle - wide mouth, easy grip bottle, comes with a free scoop!
• 2kg and 10kg bucket - with convenient screw lid

Also see our selection of petri plates, glass screw-cap tubes, animal blood, media supplements and antibiotics.