ONA Gel 20kg
ONA Gel 20kg
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Order by 3pm Mon–Thu for next-working-day delivery · FREE delivery over £50 · Free Wembley pickup
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Commercial-strength odour neutralising for large indoor spaces
ONA Gel is a professional-grade odour neutraliser that eliminates persistent airborne odours at the source rather than masking them, using a blend of natural essential oils. This 20kg commercial pail suits large grow rooms, warehouses, greenhouses and other sizeable spaces, and it can be used to refill smaller ONA Gel containers or top up an ONA Cyclone dispenser for maximum coverage.
Key Benefits
- Professional-strength neutraliser built for large-scale spaces
- Eliminates odours at the source rather than masking them
- Natural essential oil blend with long-lasting, controlled fragrance release
- Works with ONA Cyclone dispensers or as a refill for smaller ONA Gel tubs
- Ideal for grow rooms, warehouses and commercial facilities
- Multiple fragrances available including PRO, Fresh Linen, Fruit Fusion and Apple Crumble
Can odour from a large grow room reach neighbouring spaces?
Strong odours from flowering, drying and processing spread fast in enclosed indoor environments, and standard air fresheners cannot keep up in a big space. ONA Gel continuously releases neutralising agents into the air, working alongside your ventilation and carbon filtration to catch smells before they travel through the building. For best results, position it outside the cultivation area - near exhaust outlets or in adjoining rooms - never inside the tent or beside flowering or drying plants, so escaping odours are neutralised without affecting crop aroma.
How to Use
- Expose the gel: remove or partially open the lid
- Position the pail near the source of escaping odours or an exhaust outlet
- For large spaces: use with an ONA Cyclone dispenser for maximum distribution, or refill smaller ONA Gel containers
- Replenish with ONA Liquid as effectiveness fades
- Reseal the container when not in use to maximise lifespan
Technical Specifications
- Type: gel odour neutraliser
- Format: commercial pail, 20kg
- Active base: natural essential oils
- Compatibility: ONA Cyclone dispensers; refills smaller ONA Gel tubs
- Fragrances: PRO, Fresh Linen, Fruit Fusion, Apple Crumble
- Best placed: outside the grow area, near exhaust or in adjoining rooms

Free next-day delivery on orders over £50 (order by 3pm Mon–Thu). Heavy-item surcharges are always shown at checkout before you pay — we only ever charge what delivery costs us. Prefer to collect? Free pickup at our Wembley store.