Food Grade Sanitizer Guide for Australian Commercial Kitchens

Last updated: July 2026

What Is a Food Grade Sanitizer?

A food grade sanitizer is a chemical formulation approved for use on food contact surfaces — benches, cutting boards, utensils, sinks, and equipment. Unlike general cleaners, food grade sanitisers are designed to reduce microbial contamination to safe levels without leaving toxic residues that could transfer to food.

For Australian commercial kitchens, using the right food grade sanitizer isn't optional — it's a legal requirement under the Food Standards Australia New Zealand (FSANZ) Code. Every cafe, restaurant, commercial kitchen, and food processing facility must have an effective sanitisation step in their cleaning schedule to maintain HACCP accreditation and pass health inspections.

In this guide, we cover what food grade sanitisers are, how to choose the right one for your kitchen, which Australian regulations apply, and the most cost-effective products available in Australia.

HACCP Compliance & Australian Regulations

Under the Food Standards Code (Standard 3.2.2 — Food Safety Practices), Australian food businesses must ensure that food contact surfaces are cleaned and sanitised effectively. Key requirements include:

• Two-step process: Clean first (remove soil and grease), then sanitise (reduce microorganisms)
• Temperature control: Sanitisers must be used at the correct temperature — typically warm water (not hot, which can deactivate some chemicals)
• Contact time: The sanitising solution must remain wet on the surface for the recommended dwell time — usually 30 seconds to 2 minutes
• Test strips: Kitchens should use sanitizer test strips to verify the solution concentration is correct
• Documentation: HACCP plans require written cleaning schedules and chemical usage records

Using a properly diluted food grade sanitiser ensures your kitchen meets these requirements. For more on commercial kitchen compliance, see our guide to commercial kitchen cleaning supplies.

Recommended Products for Food Safe Sanitisation

While many commercial cleaning products serve specific roles in a kitchen, these are the most effective for food-grade sanitisation and surface cleaning at Matthews Cleaning Supplies:

Agar Counterflu RTU Hospital Grade Disinfectant — 5L

SKU: 160651 | Price: $37.70

A ready-to-use hospital-grade disinfectant that is ideal for food contact surface sanitisation. Counterflu RTU requires no dilution — simply spray directly onto pre-cleaned surfaces and allow the recommended contact time. It is TGA-listed and suitable for HACCP-compliant kitchens. The 5L container provides approximately 500 standard applications, making it excellent value for busy kitchens.

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Cleanmax Bleach 4% Disinfectant — 5L

SKU: 160087 | Price: $13.81

An economical chlorine-based sanitiser suitable for food contact surfaces when diluted correctly (approx 50ml per 5L water). Effective against a broad spectrum of bacteria and viruses. Best used as a final sanitising rinse after cleaning, particularly for stainless steel surfaces and sinks. At under $14 for 5L, this is the most budget-friendly option for high-volume kitchens.

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Agar Dirt-Off Degreaser Detergent — 5L

SKU: 160673 | Price: $42.12

Before any sanitiser can work, surfaces must be properly cleaned. Dirt-Off is a powerful degreaser detergent ideal for removing baked-on grease and food residue from kitchen surfaces, rangehoods, and cooking equipment. Use it as the "clean" step before sanitising to ensure maximum effectiveness. Compatible with all food grade sanitisers listed here.

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Cleanmax Canyon Sprayer Kit — 1L

SKU: 140512 | Price: $11.00

Proper application equipment is essential for effective sanitisation. This 1L sprayer kit is perfect for dispensing RTU sanitising solutions onto food contact surfaces. The trigger delivers a consistent spray pattern for even coverage, and the 1L capacity is ideal for a single shift's use. Use colour-coded spray bottles to avoid cross-contamination — designate specific bottles for sanitiser, degreaser, and glass cleaner.

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Agar Alcohol Sanitiser AS60 — 5L

SKU: 160294 | Price: $63.63

A 60% alcohol-based sanitiser that dries quickly with no rinsing required — ideal for rapid sanitisation between food prep tasks. Alcohol sanitisers are particularly effective on stainless steel and glass surfaces where rapid turnaround is needed. Suitable for use in food handling areas under HACCP guidelines. Use for spot-sanitising handles, taps, and frequently touched surfaces throughout service.

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Sanitizer Dilution Guide

Product	Type	Dilution	Contact Time	Rinse Required?
Agar Counterflu RTU	Quaternary ammonium	Ready-to-use (no dilution)	2 minutes	No
Cleanmax Bleach 4%	Chlorine	50ml per 5L water (~200ppm)	1 minute	Yes (potable water)
Agar Alcohol AS60	Alcohol 60%	Ready-to-use	30 seconds	No

Note: Always verify concentration with sanitizer test strips and follow the manufacturer's label instructions. Dilution ratios may vary between batches.

Selection Guide by Kitchen Type

Small Cafe or Takeaway Shop (1–5 staff)

Low volume, limited bench space. Best choice: Agar Counterflu RTU 5L ($37.70) — ready-to-use, no mixing errors, lasts approximately 2–3 months. Pair with a Cleanmax Canyon Sprayer Kit ($11.00) for easy application. Total investment: under $50.

Medium Restaurant or Bistro (5–20 staff)

Moderate to high volume, multiple prep stations. Best choice: Agar Counterflu RTU 5L for bench sanitisation plus Cleanmax Bleach 4% 5L ($13.81) for sink and floor sanitising. Add Agar Dirt-Off 5L ($42.12) for the cleaning step before sanitising. Total investment: under $100 for a complete cleaning and sanitising chemical setup.

Large Commercial Kitchen or Food Processing (20+ staff)

High volume, strict HACCP requirements, multiple shifts. Best choice: Buy in bulk — Agar Counterflu RTU 5L (multiple units) combined with Agar Alcohol AS60 5L ($63.63) for rapid sanitisation during service. Use Cleanmax Bleach 4% 5L in bulk for overnight equipment sanitising. Implement colour-coded spray bottles to prevent cross-contamination. Total investment: approximately $200–$300 for a complete system.

ROI Analysis

Cost Per Application

• Agar Counterflu RTU: $37.70 per 5L ÷ 500 applications = ~7.5¢ per spray-down
• Cleanmax Bleach 4%: $13.81 per 5L ÷ 100 diluted batches = ~14¢ per batch of sanitising solution
• Agar Alcohol AS60: $63.63 per 5L ÷ 500 spray applications = ~13¢ per use

Annual Savings vs. Retail Sanitisers

Buying commercial-grade food grade sanitiser in 5L containers instead of retail 500ml spray bottles saves Australian commercial kitchens $400–$800 per year depending on kitchen size and usage volume. A medium restaurant using three 5L containers of Counterflu RTU per year at $37.70 each would spend just $113 — compared to over $600 for equivalent retail products.

Compliance Cost Avoidance

A failed health department inspection due to improper sanitisation can cost Australian food businesses $1,000–$10,000 in fines, remediation orders, and lost trading days. Investing $50–$150 per year in proper food grade sanitiser is negligible compared to the cost of non-compliance. Using the right product at the correct dilution with documented cleaning schedules is your cheapest insurance policy.

For more on keeping your kitchen compliant, read our guide to commercial kitchen cleaning supplies.

Frequently Asked Questions

What is a food grade sanitizer?

A food grade sanitizer is a chemical cleaning product approved for use on food contact surfaces. In Australia, these products must comply with FSANZ Standard 1.3.3 and be TGA-listed where applicable. They reduce microorganisms to safe levels without leaving harmful residues, making them essential for HACCP-compliant commercial kitchens.

What is the correct dilution ratio for food grade sanitizer?

Standard dilution for most commercial food grade sanitisers is 10ml per litre of water (1:100). However, always follow the manufacturer's instructions on the label, as formulations vary. Using too little won't effectively sanitise, while too much can leave chemical residues. Sanitiser test strips are a low-cost way to verify your mix is correct.

How often should food contact surfaces be sanitised in a commercial kitchen?

Food contact surfaces should be sanitised after every use, between handling different food types (especially raw and ready-to-eat), and at minimum every 4 hours during continuous use. This is required under HACCP food safety plans and Standard 3.2.2 of the Food Standards Code. High-risk areas like raw meat prep stations need sanitising after each batch.

Can I use bleach as a food grade sanitizer?

Yes, household bleach (sodium hypochlorite 4%) can be used as a food grade sanitizer when diluted correctly — typically 50ml per 5L of water for a 200ppm solution. However, dedicated food grade sanitisers like Agar Counterflu RTU are preferred because they are pH-balanced, less corrosive, and include surface wetting agents for better coverage. Bleach also requires a potable water rinse after contact time, adding an extra step to your process.

Is alcohol sanitizer food-safe for kitchen use?

Yes, alcohol sanitisers with 60% or higher alcohol content (like Agar Alcohol Sanitiser AS60) are food-safe when used correctly. They evaporate quickly and don't require rinsing, making them ideal for rapid sanitisation during service. However, they are less effective on heavily soiled surfaces — always clean first before applying an alcohol sanitiser.

Get Professional Advice

Choosing the right food grade sanitizer for your commercial kitchen depends on your specific setup — kitchen size, menu type, HACCP requirements, and budget. Matthews Cleaning Supplies stocks a full range of TGA-listed and FSANZ-compliant products suitable for Australian commercial kitchens, from ready-to-use RTU solutions to bulk bleach and alcohol sanitisers.

Contact Matthews Cleaning Supplies at shop@matthewscleaningco.com.au or use the live chat function on our website to discuss your facility's specific requirements.