Odour Neutralising Agent (ONA)

The original formulation British Odour Neutralising Agent or in its abbreviated term ‘O.N.A.’ is back and one of the most effective methods of controlling odours available. Widely used for many different environments from removing stale odours created by indoor growing of plants through to commercial biological smell removal, Odour Neutralising Agent (O.N.A.) is the first choice for odour control alongside good housekeeping.




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Odour Neutralising Agent (O.N.A.) encapsulates the odour molecule and either destroys it or converts it to a more acceptable level. The product is extremely flexible; there are no limitations to its usage for odour control. Odour Neutralising Agent (O.N.A.) is available in 4 different versions to fit your needs: Spray – for when you need a quick localised fix for an odour Gel – ideal for longer term d ...


Proper odor control can be a very important part of any indoor garden. There are a few major methods that growers use to manage the odor produced by their garden. Depending on the type of plants you grow, you may not want the odors produced to escape your grow room. For example, lemon sage and castor beans are very fragrant. We hope this guide will help you select the correct odor management system for your grow room. Carbon Filters There are many methods available for controlling odor, the most popular of which is a carbon filter. A c ...