Achieve powerful, natural odour control in hydroponic systems, grow tents, and indoor gardens with this compact, plant-based block. Formulated with essential oils, it targets and neutralises smells at the source—never masking—leaving your space clean, fresh, and comfortable for weeks.
High-performance odour neutralisation for indoor gardening and hydroponics
Compact 170g block ideal for small to medium grow rooms
100% plant-based, essential oil formula that’s safe and environmentally friendly
Works alone or with ONA-Air duct systems for enhanced, even distribution
Long-lasting, reliable, and easy to use
Benefits:
Eliminates unwanted smells instead of masking them
Promotes a clean, fresh, and healthy growing environment
Enhances air quality in grow tents, hydroponic tanks, and indoor gardens
Supports a professional, low-maintenance odour control routine
How to Use: Remove the block from its packaging and place it in a central or elevated position in your grow space. Odour‑neutralising vapours release immediately. Use protective gloves when handling. Keep out of reach of children and avoid extreme temperatures. Replace after several weeks of use.
Whether used on its own or integrated with ducted airflow, this natural odour neutraliser delivers consistent, long‑lasting performance—perfect for maintaining a discreet, clean, and pleasant indoor growing environment.
Remove the block from its packaging and place it in a central or elevated spot in your grow space, where it starts releasing odour-neutralising vapours straight away. Wear protective gloves when handling and replace it after several weeks.
What size space is the ONA Block 170g for?
The compact 170g block is ideal for small to medium grow rooms. It can be used on its own or with ONA-Air duct systems for more even distribution.
Which scents does the ONA Block come in?
You can choose Fruit Fusion, Lemongrass, Fresh Linen, Pro, Apple Crumble, Polar Crystal or Tropics. All use a plant-based essential oil formula that neutralises smells rather than masking them.
We're committed to offering the best prices on hydroponics equipment. If you find a lower price elsewhere, let us know and we'll do our best to match it.
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