How to control odour in your walk in cold room

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How to control odour in your walk in cold room

  • November 29, 2018
  • By Admin: Jamey Konicki
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It’s inevitable that through ongoing usage, odours will develop in walk in freezers or coolers. Common causes might be a spill or leak that has gone unnoticed for a period of time, contents that have deteriorated, or a mould or bacteria growth taking hold.

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Hidden problems

It only takes a couple of years before the sources of odours can become trapped within the actual flooring and walls of your cold room. As the bacteria continue to grow and spread, the problem becomes worse and more difficult to eradicate. Strict food industry standards apply to all businesses storing and handling food. An odour is often the first sign that there’s a problem, so it’s important to get to the cause as soon as possible.

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First response

At the first sign of a smell, start a full and thorough clean out. Move all of the contents out and into another temperature regulated area, to ensure that they don’t spoil. All removable shelving and storage containers should be taken out as well.

Fortunately, walk in cold rooms are straightforward to clean. A thorough clean throughout with soapy water is enough. Strong chemical cleaners are not advisable, since they can be abrasive, potentially damaging the surfaces of your walk in, and creating more scope for breeding grounds for harmful bacteria. Traditional household solutions such as white vinegar and baking soda are ideal to use, as they’re good for getting rid of mildews and odours. Make sure that surfaces are thoroughly wiped after cleaning, and left to dry completely, with the doors left open. This also gives the walk in a chance to air before returning your stock.

After cleaning, an open container of coffee grounds, baking soda or even charcoal briquettes helps absorb any mild, lingering odour. However, if a strong odour persists even after a thorough clean, it’s advisable to call in an engineer to investigate, to ensure that the unit is working correctly and eliminate any chances that mildew or mould can continue to grow. In the event that you need your walk in cold room replaced, online retailers such as are a good source for finding a unit that stores its contents at an optimum temperature.

All units should be cleaned on a regular basis to protect inventory and comply with hygiene standards.