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What is a ballast ?

A ballast (transformer) is an electrical device used to reduce the current in the electronic circuit.

In the indoor cannabis growing, the ballast permits to provide necessary tension for the lighting of the bulb.

There are two kinds of ballasts: The ferromagnetic ones such as the Vossloh, Pro)Gear, Philips, Mari 1A and the electronic ones, for example, Lumatek and Dim-Bal.

The electronic ballasts offer a more precise and meticulous management of the lighting of the bulbs and the hot power supplying. This allows to have a constant light spectrum and an HPS bulb which is properly fed. They allow a faster start of the bulbs without flickering.

Be careful: You have to use the bulb according to the specific nominal values (400W ballast = 400W bulb).

The only exception is for the MH 400W bulbs which can be used with 600W ballast.

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