 | 250w Powerplant Super Hps light Bulb 250w Powerplant Super Hps light Bulb after 14 months there is an appreciable drop in the lumen output leading to a reduction in crop yield, available in 250w/400w/600w/1000w/ £13.99 |
|  | 400w Powerplant Super Hps light Bulb - Lamp 400w Powerplant Super Hps light Bulb - Lamp We recommend that lamps are replaced every 12 to 14 months, after 14 months there is an appreciable drop in the lumen output leading to a reduction in crop yield, £17.99 |
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 | 600w Powerplant Super Hps light Bulb - Lamp 600w Powerplant Super Hps light Bulb - Lamp We recommend that lamps are replaced every 12 to 14 months, after 14 months there is an appreciable drop in the lumen output leading to a reduction in crop yield, £24.99 |
|  | 1000w Powerplant Super Hps light Bulb - Lamp 1000w Powerplant Super Hps light Bulb - Lamp We recommend that lamps are replaced every 12 to 14 months, after 14 months there is an appreciable drop in the lumen output leading to a reduction in crop yield, £54.99 |
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 | 150w Sunmaster High Pressure sodium Bulb - Dual Spectrum! Sunmaster 150w dual spectrum grow Lamps are very similar to Grolux lamps in that they too have been specifically developed for indoor plant growing and are spectrum adjusted to perform well in both vegetative and flowering growth. £15.99 |
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 | 400w Sunmaster High Pressure sodium Bulb - Dual Spectrum! 400w Sunmaster High Pressure sodium Bulb - Dual Spectrum! are very similar to Grolux lamps in that they too have been specifically developed for indoor plant growing and are spectrum adjusted to perform well in both vegetative and flowering growth. £19.99 |
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|  | Osram 250w Plantastar hps bulb Osram 250w Plantastar hps bulb has the highest PAR rating (meaning it has the highest plant-usable light output) of any bulb on the market, in addition to having 30% more blue spectrum than a standard HPS bulb. £23.99 |
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 | Osram 400w Plantastar hps bulb Osram 400w Plantastar hps bulb has the highest PAR rating (meaning it has the highest plant-usable light output) of any bulb on the market, in addition to having 30% more blue spectrum than a standard HPS bulb. £21.99 |
|  | Osram 600w Plantastar hps bulb Osram 600w Plantastar hps bulb has the highest PAR rating (meaning it has the highest plant-usable light output) of any bulb on the market, in addition to having 30% more blue spectrum than a standard HPS bulb. £44.99 |
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 | Phillips 250w Son T Plus Hps Bulb Phillips 250w Son T Plus Hps BulbSon-T Plus has been the work horse of the European horticultural market for many years. We use these bulbs because of their high light output £19.99 |
|  | Phillips 400w Son T Plus Hps Bulb Phillips 400w Son T Plus Hps Bulb The Son-T Plus has been the work horse of the European horticultural market for many years. We use these bulbs because of their high light output £23.99 |
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 | Phillips 600w Son T Plus Hps Bulb - Greenpower Phillips 600w Son T Plus Hps Bulb - Greenpower The Son-T Plus has been the work horse of the European horticultural market for many years. We use these bulbs because of their high light output £37.99 |
|  | Sylvania grolux 250w Hps bulb Sylvania grolux 250w Hps bulb The Sylvania Grolux HPS bulb was designed specifically for greenhouse supplementary lighting. It has increased blue light and the highest PAR rating. £17.99 |
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 | Sylvania Grolux 400w Hps bulb The Sylvania Grolux HPS bulb was designed specifically for greenhouse supplementary lighting. It has increased blue light and the highest PAR rating. £21.99 |
|  | Grolux Sylvania 600w Hps bulb Grolux Sylvania 600w Hps bulb was designed specifically for greenhouse supplementary lighting. It has increased blue light and the highest PAR rating. £24.99 |
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 | 150w Osram son T Vialox Hps Bulb 150w Osram Vialox Hpslmps enable light to be directed with great precision. For new street light installation, this means that mast spacing can be greater. This applies in particular to NAV-T Super 4Y lamps with their extremely high luminous efficacy. £22.49 |
|  | 250w Osram Vialox Hps Bulb Clear tubular NAV lamps enable light to be directed with great precision. For new street light installation, this means that mast spacing can be greater. This applies in particular to NAV-T Super 4Y lamps with their extremely high luminous efficacy. £17.99 |
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 | 400w Osram Son T Plus Vialox Hps Bulb 400w Osram Son T Plus Vialox Hps Bulb For new street light installation, this means that mast spacing can be greater. This applies in particular to NAV-T Super 4Y lamps with their extremely high luminous efficacy. £19.99 |
|  | 600w Osram Son T Plus Vialox Hps Bulb 600w Osram Son T Plus Vialox Hps Bulb For new street light installation, this means that mast spacing can be greater. This applies in particular to NAV-T Super 4Y lamps with their extremely high luminous efficacy. £30.99 |
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 | 1000w Osram Vialox Hps Bulb 1000w Osram Vialox Hps Bulbenable light to be directed with great precision. For new street light installation, this means that mast spacing can be greater. This applies in particular to NAV-T Super 4Y lamps with their extremely high luminous efficacy. £54.99 |
|  | sunmaster 600w super hps deluxe sunmaster 600w super hps deluxe manufactures the highest output hydroponic lighting systems available. Venture Lighting, Sunmaster's parent company, is an industry leader in delivering high-output HID lamp and ballast £29.99 |
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