ONA - Odour Neutralising Agent - Pro Scent - Gel and Blocks - Hydroponics Air Freshener
Ona are one of the most well known brands in the Hydroponic world. Offering exceptional odour neutralising and air freshening capability, these Blocks and Gels are truly remarkable. Customers return again and again for this long lasting odour control.
Available in a solid 250ml block, 1 or 3 litre Gel.
Each contains a carefully blended combination of scent and absorbent material to keep odours under control.
The Gel is comprised of a liquid and a gel to ensure a controlled release and excellent dispersion.
Periodic replacement is required.