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Grow room fan speed controllers carefully control air-flow and take seasonal temperature changes into account – so crops can thrive all year round.

Whilst high extraction rates are often needed during warmer months, if a grow tent gets too cold in winter it can become difficult to achieve optimum growth.

At THC, we stock and supply a wide range of fan speed controllers that can help novice or experienced growers strike the perfect balance.

Discover cheap fan speed controllers which use resistance to slow the fans or explore our more sophisticated range of grow room fan temp controllers, which directly alter the voltage and power supply.

Suitable for every budget, use in conjunction with the right hydroponic nutrients and grow lights to create a consistent and high-quality crop.

For in-depth advice about any aspect of fan speed controllers, call 01926 511151 or email our experts today!