The organisms that drive risk here
- Listeria monocytogenes — soft cheese and ready-to-eat dairy
- Salmonella and E. coli — raw milk and environmental routes
- Psychrotrophic spoilage organisms — shelf life and quality
- Biofilm in lines, valves and dead legs
Controlling these is not primarily a chemistry problem — it is a consistency problem. The chemistry that fails an audit is almost never the chemistry that was specified; it is the chemistry as actually mixed, at the concentration actually present, on the schedule actually followed. Onsite generation removes the largest single variable by producing the solution at a set concentration every time.
Where it is used
- CIP sanitising step across lines, tanks and fillers
- Milking parlour surface and equipment sanitation
- Bulk tank and transfer line treatment
- Teat and udder preparation where formulated for it
- Cold store and ripening room fogging
- Drain and floor treatment
What it replaces
- Chlorinated alkaline sanitisers
- Peracetic acid in CIP
- Iodophors
The honest position: none of these products are useless, and each has applications where it remains the right choice. What changes with onsite generation is the default — the bulk of routine sanitation moves to a chemistry that is cheaper per litre, safer to handle, gentler on equipment and impossible to run out of.
Compliance and audit position
- Pasteurised Milk Ordinance requirements where applicable
- FDA 200 ppm food-contact limit
- HACCP and preventive controls documentation
- Residue considerations for organic certification
Full citations and downloadable material are on the regulations page, and the sector-specific research citations are collected in the research hub.
Where the money comes from
- Lower corrosion cost across stainless CIP infrastructure
- Reduced chemical inventory and hazardous handling in the parlour
- Consistent concentration removes a common source of CIP failure
- Continuous production suits the twice-daily demand pattern
Implementation SOP
The written procedure for this sector, in sequence:
- Complete the detergent and rinse stages of CIP first
- Dose the sanitising step to the specified concentration
- Verify residual at the return, not only at the supply
- Sanitise parlour surfaces after each milking
- Fog cold stores on the defined schedule
- Record concentration and trend CIP verification results
The step everyone skips
Precleaning. Hypochlorous acid is an oxidiser, and oxidiser consumed by organic soil is not available to kill anything. A programme that sanitises dirty surfaces will underperform regardless of what the label says.
Questions
Which system do we need for a dairy operation?
It depends on daily volume and peak draw rather than on facility size. Most single-site operations in this sector are served by the EcoloxTech 300; multi-line and high-volume operations move to the EcoloxTech 1200 with buffer storage.
Do we need the EPA-registered product as well?
If your protocol, auditor, insurer or regulator specifies an EPA-registered disinfectant, then yes — HOCl-AS200, Reg. No. 101112-1. Many sites run both: generated solution for volume cleaning and sanitising, registered product where the claim must be on a label.
How do we prove it works to an auditor?
Baseline environmental swabs before implementation, the same swabs afterwards, concentration verification records, and the citation pack from our research hub. That combination is evidence rather than assertion.
What is the payback period?
It depends on your current chemical spend and volume, but most commercial installations in this sector recover the equipment cost inside the first two years, and often considerably sooner once the second-order savings are counted.
The seven-part programme
Pathogens — Dairy
The organisms that actually drive risk in this sector, what makes each one hard, and where HOCl fits in controlling them.
ReadApplications — Dairy
Every point in the operation where generated hypochlorous acid does useful work, with the concentration each one calls for.
Readvs. Chemicals — Dairy
An honest comparison against the quats, chlorine and peracetic acid programmes this typically replaces — including where they still win.
ReadCompliance & Audits — Dairy
The regulations, standards and audit criteria that apply, and the documentation that satisfies them.
ReadROI & Savings — Dairy
Where the money actually comes from, including the second-order savings buyers routinely underestimate.
ReadImplementation & SOP — Dairy
A written standard operating procedure: sequence, concentrations, contact times, verification and records.
Read