Odour Control
Eliminate unwanted grow room smells with our range of genuine odour-neutralising products from ONA and AutoMist, including gels, sprays, blocks, and fan-driven distribution systems. Unlike air fresheners that simply mask smells, ONA's neutralising technology genuinely breaks down odour molecules for real, lasting results.
Neutralising vs masking
Standard air fresheners work by overlaying a stronger scent on top of an existing smell — the original odour is still there, just harder to notice temporarily. ONA's products use a different chemical approach, genuinely neutralising odour molecules rather than covering them, which is why the range is specifically formulated rather than simply "strongly scented."
Choosing the right format for your space
Small spaces (cars, closets, cupboards) suit compact formats like ONA Block or the Card Sprayer. Medium grow tents work well with ONA Gel in a jar, optionally paired with the Breeze Fan for active dispersal. Larger commercial spaces need higher-capacity solutions like the ONA Cyclone, covering up to 5,000 sq ft from a single 20L gel pail.
Passive vs active dispersal
Passive products (blocks, gel jars) release their neutralising agents gradually through natural air movement — simple, but slower and more localised. Fan-driven systems (Breeze Fan, Cyclone) actively push the neutralising agent through your space, covering a much larger area more evenly and quickly.
FAQ
Will ONA products affect my plants' own smell?
Some growers report that placing ONA Gel where its air directly reaches flowering plants can affect the buds' own aroma — worth positioning the product away from direct airflow onto your flowering canopy specifically.
How long does an ONA Block last?
This varies by room size and airflow, but blocks are designed for gradual, extended release rather than instant results — replace as the block visibly depletes.
Can I use ONA products alongside carbon filtration?
Yes — many growers use both together, with carbon filtration handling exhaust air and ONA products managing ambient in-room odour.
