Ona Gel 20kg (Various Scents)
Ona Gel 20kg (Various Scents)
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Order by 3pm Mon–Fri — we aim to post same day · FREE Express Delivery over £60 · 1–2 working days · Free Wembley pickup
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Description
Bulk passive odour control for larger grow facilities
ONA Gel in bulk scales the same activated odour-neutralising complex up for bigger cultivation spaces and multi-room set-ups. It eliminates odours at source rather than masking them, runs with no electricity or maintenance, and comes in a choice of refreshing scents. The large volume means fewer refills and wider coverage, so a whole facility can be kept odour-controlled from a single supply of gel decanted where it is needed.
Key Benefits
- Bulk coverage - one supply treats large rooms or several spaces at once
- Neutralises rather than masks - the activated formula destroys odour molecules instead of perfuming over them
- Zero power or upkeep - fully passive, with no fans, filters or servicing
- Fewer refills - the large volume slashes topping-up across a big footprint
- Choice of scents - decant into containers scented to suit each area
Odour building up faster than you can keep small tubs topped up?
Bigger facilities generate more odour across a larger area, and constantly refilling small pots room by room becomes a chore. This bulk gel cuts that workload, giving extended, source-level odour elimination from a single reservoir split into open containers wherever coverage is needed.
How to Use
- Decant the gel into open trays or tubs and position them around the space
- Spread coverage - use several smaller placements rather than one large tub for even results across rooms
- Increase surface area and airflow near extraction paths for the strongest effect
- Replace or refill each container once the gel has fully evaporated
Technical Specifications
- Type: passive odour-neutralising gel (bulk)
- Action: activated complex that binds and destroys odour molecules
- Power required: none
- Scents: various (selectable)
- Best suited to: large grow rooms, multi-room facilities, drying and processing areas
- Maintenance: none beyond refill when spent

FREE Express Delivery on orders over £60. We aim to post same day on Express Delivery — order by 3pm Mon–Fri — and delivery takes 1–2 working days. A few harder-to-stock or large, bulky items can take a little longer — we'll tell you if that applies to your order. 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.
