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Superior vegetative results
With output firmly in the blue spectrum, Metal Halide Lamps are used almost exclusively for aiding superior vegetative growth. Suited to a two-lamp method, these will produce amazing returns when you have a Sodium Lamp taking care of the flowering stage. It’s important to note that Halide Lamps can give off high levels of light and heat and are not required if you’ve opted for a Sunmaster/Grolux.
We recommend changing your Metal Halide Lamps every 9 months.
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*Growell Hydroponics offers these Metal Halide Lamps ... |
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Standard
postage
(per order):
£5.95 |
 Surcharge
on heavy items marked with:
£5.00 |
Surcharge for Scottish Islands, Northern Ireland
& Isle of Man:
£20.00 |
Surcharge for Eire:
£25.00 |
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