Greenpower Full Spectrum

315w Greenpower 933 Ceramic Metal Halide bulb
3.3K colour spectrum for full cycle growing from seed to harvest
PGZX18 lamp holder
Photosynthetic Photon Flux: 1.9 umols/watt
20,000 hours (80% original output)
Warranty: 1 year
0.7% UV
13% Blue
40% Green
47% Red
+10% Far Red

 61.50  49.20 ( 40.00 excl VAT)

In Stock

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315W Ceramic Metal Halide (CDM, LEC), 3.3K colour temperature
Full Spectrum from seed to harvest

Ceramic Metal Halide bulb spectrum comparison

We compare the spectrum of many popular Ceramic Metal Halide bulbs on the market for UV, Far Red and PAR output.

CMH bulb PAR output comparison

Ceramic Metal Halide bulb PAR output comparison. The MIGRO 3.3K agro is comparable to all market leading bulbs. The MIGRO 4K Far Red offers a unique blend of high blue and high Far Red for lush, dense growth and superior flowering.

CMH bulb price comparison

Our Ceramic Metal Halide bulb price comparison shows how competitive the MIGRO 3.3K Agro is compared to market leading bulbs of similar performance.


  1. Joshua Cole

    Excellent bulb at an amazing price with fast shipping. I have used many cmh bulbs including Phillips. My plants grow amazing under this bulb and are oozing tricomes everywhere. This company also has very informative videos on all things growing. They are honest and have won my loyalty.

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