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๐ฟ Illuminate your indoor garden with power and precisionโgrow like a pro, glow like a trendsetter!
The CMH 315W Ceramic Metal Halide grow light bulb pack offers a high PAR output of 625 ฮผmol/s and a well-balanced full spectrum including UVA and red light, designed to enhance plant growth and flavor. Featuring a durable double-jacketed PGZX18 base compatible with most fixtures, it ensures safety and longevity with over 20,000 hours of life. Ideal for indoor flowering, this 315W bulb delivers 35,000 lumens at 3100K color temperature, making it a premium choice for professional and enthusiast growers seeking efficient, reliable, and spectrum-optimized lighting.










| ASIN | B09D3JW3R3 |
| Accepted Voltage Frequency | 100 to 240 Volts and 50 Hertz to 60 Hertz |
| Additional Features | Full Spectrum |
| Best Sellers Rank | #302,852 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #110 in Plant Growing Light Bulbs |
| Brand | GRUOTVSZAK |
| Brand Name | GRUOTVSZAK |
| Color | Transparent |
| Color Rendering Index | 80 |
| Color Temperature | 3100 Kelvin |
| Connectivity Technology | Normal bulb |
| Control Method | App |
| Controller Type | Push Button |
| Customer Reviews | 4.2 out of 5 stars 61 Reviews |
| Efficiency | 108.57 lumen/watt |
| Global Trade Identification Number | 06974568040027 |
| Incandescent Equivalent Wattage | 2500 Watts |
| Included Components | Bulb included |
| Indoor Outdoor Usage | Indoor |
| Is Electric | No |
| Light Color | white |
| Light Output Maximum | 35000 Lumens |
| Light Source Operating Life | 20000 Hours |
| Light Source Type | Metal-halide Lamp |
| Light Source Wattage | 315 Watts |
| Light Type | Metal Halide |
| Manufacturer | GRUOTVSZAK |
| Manufacturer Part Number | CMH315W3K-2 |
| Material Type | Glass |
| Model Number | CMH315W3K-2 |
| Number of Items | 2 |
| Package Quantity | 1 |
| Power Consumption | 315 Watts |
| Power Source | Corded Electric |
| Shape | Tubular(T) |
| Special Feature | Full Spectrum |
| Style Name | 3000K Large Box With 2 Bulbs |
| Unit Count | 2.0 Count |
| Voltage | 100 Volts |
| Wattage | 315 watts |
| White Brightness | 35000 Lumens |
G**Y
Quality
Great deal quality product
B**.
Great product great deal
Good price for 2 bulbs it's hard to find this style socket works well came fast and intact and my ballast has wattage dimming in which the bulb seems to be able to handle just fine I haven't had the bulb very long so I can't really say how long it lasts and set to the full 315 wattage it's like the sun is in my basement super bright
B**N
Horrible product
It's very simple for this product, it's GARBAGE. The lifespan of this product is not worth selling mine lasted barely 6 months. And from what I'm understanding that is lucky because many bulbs burn out within one day. This product should be taken off the shelf in every person that has purchased and should get a return or a refund.
E**C
Good so far
Reviews always have me feeling some type of way. They range from excellent to do not buy. Took a chance with these since 2 are the price of 1 name brand bulb. So far they work and haven't had any issues. Only problem I had is with driver dropping package off. These packages should be labeled as fragile. The driver dropped the packages onto the ground instead of setting them down nicely. I get they are in a hurry but I feel if packaging was labeled as fragile the delivery driver would of taken the extra precautions to gently set the package down.
M**N
300 watts is enough
Do they have HPS in this size??
K**O
Works great, love it!
Had trouble finding a replacement bulb and this one works great! Great brightness and good value for your money too considering the alternatives!
H**Y
No kr-85 and great packaging for shipping!
Can't wait to run them in the very near future!!
G**M
One of two bulbs failed immediately
We just got these bulbs in and installed, but one burned out within days of being used. Not sure how to do a return for just one. If the vendor can address this, I will change my rating.
Trustpilot
2 weeks ago
2 days ago