Environmental Control

  • Exhale-CO2-Bags

    ExHale CO2 bags are the perfect solution for creating a continuous supply of natural carbon dioxide for your growing environment. Carbon dioxide is one of the essential components that allows plants to carry out photosynthesis. Giving your plants an abundance of CO2 means giving them plenty of opportunity to grow to the best of their ability. The ExHale CO2 bag relies on nothing more than the powe...


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    £40.00
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  • Digital Hygrometer

    This thermo hygrometer measures and displays temperature and humidity simultaneously. In addition it will also record the maximum and minimum readings. This hygrometer measures a temperature range of -20 to +70 degrees C and a humidity of 20 to 99%rh. It features a temperature alert alarm that will sound when the external remote temperature probe indicates the temperature is 0 dgrees C or below (u...


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    £17.35
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  • SMS Fan Controller with Thermostat 6.5A

    The SMS Fan Controller gives you much greater control over the humidity of your grow room. You can choose to manually set the airflow output from the fan or you can have this set automatically thanks to the attached thermostat. The automatic option is obviously a better option if you wish to control the ambient temperature in your absence. Just set your preferred temperature on the unit and swi...


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    £56.60
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  • SMS Fan Controller without Thermostat 6.5A

    Take control over the air output in your grow room. The excellent SMS Fan controller allows you to manually set the speed of the fan to optimise the level of airflow. This will not only provide a better environment for your plants by controlling the humidity, but will also prolong the life of your fan and reduce your power consumption. Simply Plug the fan into the Fan Controller and the Fan Cont...


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    £41.95
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  • SMS Twin Fan Speed Controller 4.5A

    The SMS Twin Fan Speed Controller is a fantastic bit of kit that will maintain a steady flow of air from your fans to optimumise temperature and humidity levels. The software controlled unit will scan your room for 5 minutes using the in-built probe to make an evaluation of the required output of each fan. It will then supply a consistent output to your grow room to within +/-1 degree of the des...


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    £102.95
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  • Ziehl Abegg Fan Controller

    ***Please note that this product will need to be wired and assembled. A schematic is provided by the supplier but if you are unsure of how to do this then please give us a call on 0117 971 3000***Offering a silent way to reduce the airflow of a fan, the Ziehl Abegg Voltage Stepping Fan Speed Controller is a robust and reliable addition to any grow room. Manually adjustable through five different v...


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    £77.25
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  • Large Screen Hygrometer

    This digital hygrometer measures 20mm x 100mm x 110mm and comes with a large display screen for effortless monitoring of the temperature and humidity levels in your growing environment. Both temperature and humidity levels are simultaneously displayed and maximum and minimum readings are indicated and recorded. The large screen hygrometer comes with both an internal sensor and an external probe. T...


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    £13.15
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  • Hylite Tubular Heater

    Cold winter weather can be as much of a problem for indoor gardeners as summer heat, so we are now stocking Hylite greenhouse heaters to keep the frost at bay. Hylite have designed their heaters to offer a cheap-to-run alternative to fan heaters and cleaner alternative to paraffin. Using less than 50W per foot - about the same as a standard household light bulb - they are a cost effective way to a...


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    £28.90
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  • Max Min Thermometer

    Our Budget Max/Min Thermometers provides an inexpensive way of monitoring and recording the temperatures in your grow room. This dial thermometer measures from -50°C to +50°C with an accuracy level of within one degree and the max/min readings can be reset using the central knob. This thermometers will let you see what the highest and lowest temperatures have been, vital information to ens...


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    £5.80
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