Description During extreme weather in the summer and winter you need to be able to maintain a stable temperature with the grow room. In the winter months when the temperature drops significantly, you will need a heater to achieve the optimum temperature. As important are nutrient heaters to prevent water temperatures from dropping too low We supply a range grow room heaters to help control the temperature of your indoor grow room. 100w Hailea Water heater for 50L to 100L tanks 200w Hailea Water heater for 100L to 200L tanks 300w Hailea Water heater for 100L to 200L tanks
