Why Your Sanitizer Should Change Every Six Months

The resistance problem

Any plant, kitchen, hostel or clinic that uses one sanitizing chemistry for years is running a selection experiment: the organisms that tolerate that active ingredient survive and multiply. The product did not get weaker; the resident population got tougher. Swab counts creep, then jump.

The rotation

Cernol's standing recommendation, printed into its customer segmentation for decades: run a QAC sanitizer (Tetramine 2008) for six months, then switch to a chlorine sanitizer (Sypo) or a hydrogen-peroxide sanitizer (Hydrosan) for the next six, and keep alternating. Each chemistry kills through a different mechanism, so tolerance to one buys the organisms nothing against the next.

Why this is easy with a local manufacturer

The rotation is only painful when each chemistry means a different supplier, new dosing equipment and new paperwork. All three of Cernol's rotation partners are blended at the same Windhoek factory: the switch is a line change on your standing order, with a new dilution card in the first delivery. Same drums, same delivery day, same account.

Who should rotate

Everyone with a sanitizing programme: dairies and butcheries (where the rule originated), fish factories at the coast, hostel sick bays, hospital wards, hotel kitchens. If your operation has used the same sanitizer since anyone can remember, that is not loyalty — it is drift.

Browse the sanitizer range or ask us to set up your rotation plan.