What is the required concentration of chlorine-based sanitizer?

The required concentration of chlorine-based sanitizer for effective sanitization is 100 parts per million (ppm). This concentration is widely accepted as optimal for killing a broad spectrum of pathogens, including bacteria, viruses, and fungi. At this level, the sanitizer is both effective in disinfecting surfaces and safe for use without leaving harmful residues when surfaces are subsequently rinsed or dried.

Using a concentration of 100 ppm ensures that the solution is strong enough to eliminate potential health hazards while remaining within safety guidelines for food contact surfaces, which is crucial in food safety practices. Higher concentrations, such as 150 ppm or 200 ppm, may not offer increased sanitizing benefits and could pose risks of chemical overkill, leading to potential toxic residues or adverse reactions, especially with certain food types.

It’s important to always follow the recommended guidelines for sanitizer concentrations since improper usage can lead to ineffective sanitization or safety hazards.