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• Allows the quick and easy determination as to whether disinfectant residues are present
• Easy Dip & Read procedure provides dependable results in 5 seconds
• Gradation (pH): 3.6 - 4.1 - 4.4 - 4.7 - 5.0 - 5.3 - 5.6 - 6.1
• Color change (pH): yellow to red
• CE-certified