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Feel that your grow lights are dimmer than before? Youre probably right. Most HPS & MH bulbs start to get dimmer after 10,000 hours of use and operate a lot less efficiently. To correct this, you will need to replace your HPS & MH Grow light Bulbs.

The Difference between HPS and MH Grow Lights

We all know that plants need light from different light spectrum parts throughout their life cycles. In other words, metal halide (MH) bulbs, with their blue light emission, enhances leafy growth and production of more bud sites. When the plants enter their flowering stage, they need a red/orange light to produce dense flowers. This is where high pressure sodium (HPS) bulbs come into play, making both MH and HPS bulbs essential catalysts for successful plant growth.

What makes Double-ended Grow lights better?

What separates double-ended grow lights from single-ended ones the ability to give off a brighter, wider and more intense light than single ended grow lights. If you’re a hobby indoor grower with a small grow tent or grow area, then single-ended grow lights are preferred as they emit less heat than DE lights. So, whether you’re a small-scale grower or a commercial one, Groindoor.com has just the perfect equipment for you! Feel free to check out our learning center, where we have a great article on When & How to replace your Grow Light Bulbs, or call our expert growers at 866-GRO-INDR for commercial pricing or any other questions you may have. 

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    Ushio Double Ended Lamp - AHS-DE 1000W / PRO-PLUS (12/Cs)

    Super high pressure sodium double-ended lamp for plant growth. High red and blue spectral ratios for good photosynthesis efficiency. Great lumen output for high PAR values. Robust plants through high blue light output. High red light ratio for healthy...

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    Ushio AMH 1000 Opti Blue (6/Cs)

    400, 600 and 1000 watt SUPER high output MH with maximized output in both blue and red spectral range. Outperforms standard MH bulbs. Conversion bulb to operate on ANSI coded HPS ballast. Optimized for maximized branching and vegetative growth and added...

    $122.35 $97.54
  • Ushio AMH 600 Opti Blue (6/Cs)

    Ushio AMH 600 Opti Blue (6/Cs)

    400, 600 and 1000 watt SUPER high output MH with maximized output in both blue and red spectral range. Outperforms standard MH bulbs. Conversion bulb to operate on ANSI coded HPS ballast. Optimized for maximized branching and vegetative growth and added...

    $107.10 $94.13
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    Ushio AHS-DE 1000 Opti Red (12/Cs)

    Super high pressure sodium double-ended lamp for plant growth. High red and blue spectral ratios for good photosynthesis efficiency. Great lumen output for high PAR values. Robust plants through high blue light output. High red light ratio for healthy...

    $129.95 $97.64
  • Ushio AHS 1000 Opti Red (12/Cs)

    Ushio AHS 1000 Opti Red (12/Cs)

    400, 600 and 1000 watt SUPER high output HPS with maximized output in both red and blue spectral range. Runs on HPS Ballast. Optimized for maximum flower yield and added blue spectrum for vegetative growth efficiency. Outperforms standard HPS bulbs.

    $112.15 $77.76
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    Ushio AHS 600 Opti Red (12/Cs)

    400, 600 and 1000 watt SUPER high output HPS with maximized output in both red and blue spectral range. Runs on HPS Ballast. Optimized for maximum flower yield and added blue spectrum for vegetative growth efficiency. Outperforms standard HPS bulbs.

    $96.85 $67.53
  • Par Pro 1,100 Watt Hyper Arc HPS Bulb

    Par Pro 1,100 Watt Hyper Arc HPS Bulb

    Par Pro Product DocumentsPar Pro 1100 Watt Hyper Arc HPS Lamp UL Test Results The Worlds Most Powerful Single-Ended Grow Lamp! Consistently Tested Over 2,380 umol! (Verified By UL) Must be used with high-frequency electronic ballasts (70-110kHz) Par...

    $106.50 $15.05
  • Philips 1000 Watt HPS AGRO Plus DE EL Lamp Philips 1000 Watt HPS AGRO Plus DE EL Lamp

    Philips 1000 Watt HPS AGRO Plus DE EL Lamp

    Philips Product DocumentsPhillips AGRO Plus DE Spec Sheet The Philips 1000 Watt HPS AGRO Plus DE EL Lamp is the ultimate flowering bulb, producing deep reds and an intense output for the best combination of intensity and spectrum. But, it's also...

    $155.99 $122.67
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    The Ultra Sun Metal Halide (MH) Blue Enhanced Performance lamps offer extra emphasis in the blue and violet spectrums with Kelvin temperatures of 7,500K and 10,000K. This line of Ultra Sun lamps is exceptional for vegetative growth and for the final...

    $72.37 $51.04
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    The Ultra Sun Metal Halide (MH) Blue Enhanced Performance lamps offer extra emphasis in the blue and violet spectrums with Kelvin temperatures of 7,500??K and 10,000??K. This line of Ultra Sun lamps is exceptional for vegetative growth and for the...

    $70.95 $50.03
  • Ultra Sun High Pressure Sodium Bulb, 1,000 Watts - 2,000 K Ultra Sun High Pressure Sodium Bulb, 1,000 Watts - 2,000 K

    Ultra Sun High Pressure Sodium Bulb, 1,000 Watts - 2,000 K

    The Ultra Sun High Pressure Sodium (HPS) lamps have a Kelvin temperature rating of 2000??K which is ideal for the fruiting and flowing stages of plants. It is also an excellent lamp for full term plant growth. Ultra Sun lamps are high quality, feature...

    $68.95 $34.62
  • Ultra Sun Metal Halide Bulb, 1,000 Watts - 4,200 K Ultra Sun Metal Halide Bulb, 1,000 Watts - 4,200 K

    Ultra Sun Metal Halide Bulb, 1,000 Watts - 4,200 K

    Ultra Sun lamps have a great spectral distribution, emit the bluish & green regions of the light spectrum and stimulate plant growth more efficiently than any other light source. Ultra Sun lamps are high quality, feature robust construction and have...

    $47.89 $30.07
  • SunMaster Double-Ended 1000W FULL NOVA

    SunMaster Double-Ended 1000W FULL NOVA

    Sunmaster's 1000-watt double-end FULL NOVA is chemically engineered to deliver a slightly blue/violet-weighted output while closely replicating sunlight. Highly balanced output between 400nm and 700nm drives strong vegetative growth through flower...

    $108.95 $80.18
  • Digilux Double-Ended High Pressure Sodium Bulb, 1000W - 2000 K Digilux Double-Ended High Pressure Sodium Bulb, 1000W - 2000 K

    Digilux Double-Ended High Pressure Sodium Bulb, 1000W - 2000 K

    Digilux 1000W HPS Double-Ended Bulb The Digilux DX1000DE double-ended HPS lamp combines high efficiency with superior lamp life expectancy. Its 2000K color temperature and 2100 ?mol/s PAR rating make it an excellent choice for any application where high...

    $99.99 $80.24
  • Ushio HiLUX GRO Double-Ended Metal Halide (MH) Lamp, 1000W Ushio HiLUX GRO Double-Ended Metal Halide (MH) Lamp, 1000W

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    1000W MH Double-Ended Bulb (12/cs)Ushio America introduces a new DE (double-ended) Metal Halide lamp to its Hilux Gro™ professional horticulture lamp line. The 1000W DE Metal Halide lamp holds the highest industry quality ISO 9001 standards with...

    $169.95 $131.08
  • Ushio HiLUX Gro Pro-Plus DE 750W HPS Lamp Ushio HiLUX Gro Pro-Plus DE 750W HPS Lamp

    Ushio HiLUX Gro Pro-Plus DE 750W HPS Lamp

    Ushio 750W HPS 400V Double-Ended Lamp (12/cs) USHIO AHS-DE 750W/PRO-PLUS Ideal for cultivation with high light intensity requirements High proportions of red and blue light guarantee efficient solid growth High output of PAR light (1450 ?mol/s)...

    $129.95 $100.30

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