Otaki Hydroponics

HPS Light Bulb (Philips Son-T Plus)


SON-T Pro is a cost-efficient and reliable solution in High Pressure Sodium

  • Clear tubular outer bulb
  • High luminous efficacy
  • Robust construction is vibration- and shock-resistant leading to a reliable life

These bulbs are suited to the bloom/flowering period of most plants as they produce a warm red light rated at 2000K.

 Please note: these bulbs are optimised to produce high levels of red and yellow light spectrum, but do not contain the same levels of blue light spectrum that most HPS bulbs traditionally contain. This makes them an excellent fruiting/flowering bulb, but the results of using them in vegetation may differ from those expected from traditional HPS bulbs. I.e. stem elongation/larger inter-nodal spacing may occur.

This bulb can still produce satisfactory vegetative growth. However, would we recommend a Metal Halide/Conversion bulb as ideal for use in the vegetative stage, as they are optimized for the best results for vegetation.


    Available in 3 sizes: 400w, 600w, 1000w

    Size: 400w & 600w   30 cm (L) x 6 cm (W) x 6 cm (H)

    1000w  44 cm (L) x 7 cm (W) x 7 cm (H)

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