Sunmaster Cool Deluxe metal halide lamps are now available in 250w also, as well as 400w, 600w and 1000w. SUNMASTER Cool Deluxe Grow Lamps emit light from 5000° to 6500° Kelvin, imitating the natural look of daylight and are designed specifically for horticultural use. They are an ideal light source for the seedling and vegetative stages of plant growth, while still emitting a wide spectral distribution. SUNMASTER Cool Deluxe Lamps surpass many other HID sources in PAR watts - the most objective measurement of total light energy available for photosynthesis and they set new standards in general plant lighting, promoting high levels of photosynthesis without compromise.

• Electronic Digital ballast friendly,
• Sufficient orange-red for stem elongation and flowering                                                                 
• Ideal lamp for display purposes
• Imitates daylight
• Balanced spectral output
• Long life
• Maximum blue for seedling and vegetative growth

 The B.I.G. shop, the biggest gardening systems, indoor growlights and horticultural products to the growing UK and Irish markets. Shop online with us for indoor growing equipment, nutrients or ask our trained hydroponics shop staff for indoor gardening advice.