Faran HR Professional Humidifiers


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Faran HR Professional Humidifiers create the optimal environment for your plants by giving the grower total control over humidity in a hydroponic grow room. Growers tend to focus primarily on the temperature control in an indoor grow environment and humidity can often be overlooked. Humidity is not very important for humans; however it is possibly the most important aspect of a grow room that you can control for optimum yields.

How do Faran HR Professional Humidifiers work?

These innovative fans work by centrifugal action. A reservoir of water sits at the bottom of the unit and is maintained with an auto top up valve, connected to a larger reservoir such a as water butt with the fitting kit, therefore very little maintenance is required. Above this reservoir a rotating collar, with slits around its circumference, it spins at a very high speed sucking the water up and smashing it into a fine vapour before it is released through the spout at the top of the unit. This smashed vapour then finds its way around your grow room and raises the temperature by slowly evaporating into the air. The humidifier will do this until the pre-determined set point has been reached on the controlling humidistat or the end time is reached on a timer. Humidistats are preferable in this instance as a timed humidity release may be providing too much or too little water vapour into your environment.

The two different models are suitable for different sized areas. The HR-15 humidifier should adequately cover an area up to 30 metres square, while the HR-50 should adequately cover an area up to 150 metres squared.

Humidity is partly responsible for transpiration regulation in your plants; without adequate transpiration levels, your plants will suffer. Humidity that is too low will result in excessive transpiration, exceeding the amount supplied from the roots, resulting in limp, droopy plants. If the humidity is too high it will result in very low transpiration rates, causing positive root pressure issues, leading to stretching and nutrient issues with elements such as calcium.

Your plants require different humidity levels throughout the different stages of their cycles. Up to 99% of all the water your plant takes up goes into keeping the plant cool. Normally, less that 1% is used in photosynthesis. Without the adequate controls in place, your plants could suffer at any stage in their lives. Varying the humidity at these different times will be pivotal to the success of your indoor garden.

It is common to have high levels in your grow room when your plants are young, followed by lower humidity when they begin to start creating dense flowers. High humidity for younger plants, stops excessive transpiration levels. Lower humidity for older plants is required to prevent the onset of diseases such as Botrytis (grey mould), which can be detrimental to entire crops.

You should harden your plants off throughout the growing cycle, to a lower humidity as quickly as possible, but at the same time gradually enough to not place excessive water stress on them. As each new leaf set is produced in a growing plant, it creates a definite number of stomata. This number of stomata depends on the conditions at the time and will not change as the leaf becomes larger. So, as each new leaf set is created, you need to gradually change the environment conditions to tell the plant to create more stomata on each successive set of leaves, so they can cope and perform better in the demanding environment they will find themselves towards the end of the flowering cycle.

How to use Faran HR Professional Humidifiers?

Ensure the water supply to the humidifier is lukewarm temperature, as the water vapour created needs to evaporate in the atmosphere.  If the water is cold it will result in a longer time for the vapour to evaporate, therefore a greater lag in time in the change in humidity levels. Never place your humidifier underneath or close to your carbon filter. The excessive vapour and humidity will block the activated carbon and it will not work.

Do not use these units with hard water. The contaminants from hard water will end up coating your reflectors (reducing reflectivity) and block up your carbon filters. If you are in a hard water area (and even in some softer areas), it would be wise to make use of a Reverse Osmosis machine to make sure the water vapour is free from contaminants and will not damage other equipment. It is good practice to place a pedestal fan, or other fan near the spout of the humidifier, ensuring the vapour is dispersed instantly throughout the grow room. Finally, we recommend that you clean the unit between every cycle. Algal growth commonly builds up within the unit and this can negatively affect the unit’s overall operation.

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