MegaChrome Crystal 17500K - Double Ended Bulb - Giesemann

20% of 100
Grouped product items
Product Name Qty
MegaChrome Crystal DE 150w 17500K - Giesemann

SKU: 209663

In stock


Earn 85 Reward Points

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MegaChrome Crystal DE 250w 17500K - Giesemann

SKU: 209664

In stock


Earn 89 Reward Points

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    The MegaChrome Crystal bulb is quickly becoming the most popular and successful bulb for metal halide fixtures. Balancing on super bright white light and providing a deep blue coloration that helps the corals fluoresce, giving your corals the best look they can. With a full spectrum, the Crystal bulb is optically white while having a majority of its spectrum in the blue and violet range.


    Choose From:

    • 150w DE HQI (R7s respectively Fc2)
    • 250W DE HQI (R7s respectively Fc2)


    Many public aquariums and research institutes rely on Giesemann lamps for their color stability, balance, and long lifespan. Being made in Germany gives Giesemann the most control over how their bulbs are produced guaranteeing the best quality bulb you can find for your saltwater aquarium.


    Available MegaChrome Lamps:

    Marine - 12500K - Emulates shallow reef lighting for great growth of coral

    Coral - 14500K - Great white coloration focusing on a subtle mix of blue while still providing good growth and fluorescent coloration

    Crystal - 17500K - Optically white but gives off peaks of blue and violet to help give the best coloration and growth

    Blue - 21000K - Emulates deeper waters with a deep blue spectrum and very little red and yellow light produced

    More Information
    Product Name MegaChrome Crystal 17500K - Double Ended Bulb - Giesemann
    SKU MegaChrome-Crystal-17500K-Double-Ended-Giesemann
    Out of stock message DISCONTINUED
    Lighting Type Metal Halide
    Best Performer No
    Best Value No
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