Humidifier with 4 or 8 litre deposit by Pure Factory. Significantly increases the relative humidity in the grow room.


High humidity is essential for the successful propagation of cuttings, and can be extremely beneficial for seedlings. When a small number of cuttings are being taken, a propagator can be used to get and maintain an elevated level of humidity. For larger spaces, humidity can be hard to maintain without the use of a humidifier.


Plants in the vegetative stage still require elevated levels of relative humidity. As plants get larger, they require more space and may outgrow the propagator. The 4L model is perfect for tents with 1-3 lights while the 8l model can be used in larger systems.


During late flower when the fruits are ripening, High humidity may be detrimental to plant health, with the humidity giving fungus spores and bacteria the perfect conditions to thrive. We recommend you discontinue the use of humidifiers at the start of flower onset, whilst still measuring humidity within your garden.


How to Use

We recommend you only use filtered water within the humidifier, as the minerals within the water will also be vaporised alongside the water. This can lead to a build-up of residue on your equipment, which reduces the efficacy of your bulbs, reflectors and carbon filters.


Plug and play; simply plug in the power cord into your wall and set the dial to the required level of humidity.


Humidity levels:

Clones/ seedlings: 70 – 85%

Vegetation: 65 – 75%

Flower: 45 – 65%

Pure Factory Humidifier (4L & 8L)



10:00 -18:00   Weekday
10:00 - 17:00  Saturday

11:00 - 14:00  Sunday


Unit 12, Progress Business Park, Progress Way, Croydon CR0 4XD

Phone: 020 8686 9643


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