Dual spectrum bulbs have been enhanced to produce the perfect balance of blue and red light to benefit your plants at both vegetative and flowering stages.

Spectral output changes in a HPS lamp as it ages therefore we recommend changing your lamp every 9-12 months for optimum growth conditions.

We stock a selection of 400 watt and 600 watt dual spectrum bulbs including Osram and Lumii.

We also stock:
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Products
1000w Lumii SunBlaster HPS Dual Spectrum Lamp £54.99
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400w Lumii SunBlaster HPS Dual Spectrum Lamp £18.99
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400w Osram Plantastar HPS Dual Spectrum Lamp £27.99
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400w Sylvania Grolux Dual Spectrum HPS Lamp £29.99 £32.40
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600w LUMii BLACK Dual Spectrum HPS Lamp £19.99 £31.70
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600w Lumii SunBlaster HPS Dual Spectrum Lamp £22.99 £22.80
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600w Osram Plantastar HPS Dual Spectrum Lamp £49.99 £24.70
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600w Sylvania Grolux Dual Spectrum HPS Lamp £34.99 £75.20
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