The ONA Gel is our most popular product. Choose from: 400g, 732g, 3.8 Litre & 20 Litre ONA Gels. RRP £49.99! Can be used with ONA Fan for greater effect. RRP £99.99! Apple Crumble. Available in these popular scents.
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When growing plants in hydroponics or aeroponics, it is necessary to keep the pH of your nutrient solution within a certain range. pH Down is added sparingly to nutrient solution to help keep the acidity within this range.
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Switch between the two modes as required. Fixed Temperature Sensor NTC 3m. Detects changes in room conditions and reacts quickly by adjusting fans to maintain temperature. Temperature Sensor NTC 3m.
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Create a relaxing atmosphere filled with the pleasant fragrances of ONA, while removing any unwanted odours from the surrounding air. They are also perfect for aromatherapy purposes. 1Litre ONA Fresh Linen - Liquid Only.
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The simple toggle switch provides easy access to both full power and off settings, making it user-friendly and convenient. Full Power and Off Options: Quick access to maximum ventilation or complete shutdown when necessary.
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There are two switch delay patterns for various cases. If the air temperature increases above the thermostat set point the fan switches to the high speed (maximum airflow rate). If the temperature decreases below the thermostat set point the fan switches to the pre-set lower speed.
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When the temperature is low (eg. LATEST VERSION - Mk2. Having the fan slowly extracting when lights are off will reduce humidity which can build up, reducing the risk of bud rot. Minimum fan speed can be adjusted. ).
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