Ona Liquid Bottle - 922ml Bulky Watch for the classic signs

Watch for the classic signs of deficiency

Mid-tier alternatives (Viper) offer decent performance at lower cost but with thinner carbon beds and shorter lifespan

Growers comfortable with concentrated nutrient products and precise dosing

Compatibility: All growing systems and substrates (soil

One the professionals rate

Ona Liquid Bottle - 922ml Bulky Watch for the classic signsONA Liquid Bottle 922ml Professional Odour Control for Indoor Growing Best for: Growers needing flexible, natural odour neutralisation without the bulk of passive gels or the cost of full carbon filter systems Our thoughts ONA Liquid is one of those products that does exactly what it claims neutralises airborne odours on contact using natural essential oils instead of just masking them. It's versatile enough to work in misting systems, spray bottles,