ONA

ONA (Odour Neutralising Agent) is a recognised leader in odour control, trusted by growers worldwide for delivering effective, plant-safe freshness. Designed to neutralise odours at the source rather than mask them, ONA products combine natural essential oils with advanced neutralising agents for reliable, long-term performance in any environment.

Flagship products include ONA Gel, a slow-release solution that provides continuous odour neutralisation, and ONA Spray, a fast-acting formula perfect for tackling specific problem areas instantly. Both are easy to use, highly versatile, and safe for use around plants, people, and pets.

For growers seeking dependable, natural odour control, we recommend ONA from Greens Horticulture — delivering trusted performance, proven freshness, and fast UK delivery every time.