what is the light beam angle?

As GE replied the beam angle is 60 degrees, but there is a down side. The actual light bulb of this fixture is only 2" wide so the cast area is much smaller compared to many other similar grow lights which have a larger actual light bulb. Great fixture and better light (closer to sunlight than any other grow light bulb I have seen) but each bulb will max out at an 18" x 18" area. If you are just lighting one plant it is perfect but if you are trying to light a grow area, this is the downside.

Has anybody found a good floor lamp that doesn't tip over with this bulb? I love the bulb but my lamp tips over.

Old question, but for a genuine floor lamp, I recommend this one: https://www.amazon.com/dp/B0869M9M3R?psc=1&ref=ppx_yo2ov_dt_b_product_details The adjustments are toothy and grippy and can hold this bulb very effectively.

Is this about the same bulb as the 35w 6000 kelvin bulbs on Amazon , for $10 dollars less .. ?

Hello neal hicks, No, this bulb is a grow bulb which means both the color and the light output is geared specifically for growing plants, and will not have the same color or style as the 6000k daylight Par38. If you have any further questions, please reach out to us at 1-800-435-4448 or LightingInfo@ge.com. -GE Lighting Internet Response Team

Is there a clamp on fixture that works best for these?

We're using the 5.5 inch one from Lowes.

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🌿 Grow smarter, harvest faster — light up your indoor farm with GE’s precision power!

LONG LASTING PERFORMANCE - 25,000 hours of reliable lighting backed by GE’s trusted quality and UL certification.
PRECISION GROWTH CONTROL - Harness the red reproductive spectrum to accelerate flowering and fruiting cycles with pinpoint accuracy.
PLUG AND PLAY CONVENIENCE - No assembly required—ideal for greenhouses, hydroponics, and small-scale commercial horticulture setups.
INDUSTRIAL GRADE EFFICIENCY - 50 PPF light output ensures maximum photosynthetic impact for professional-scale indoor farming.
TAILORED SPECTRUM TECHNOLOGY - Custom light wavelengths replicate natural photosynthesis, shortening growth cycles and boosting yields.

The GE Lighting 93101233 30-Watt PAR38 LED Grow Light delivers a scientifically engineered red reproductive spectrum designed to optimize flowering and fruit production. With a certified 50 PPF output and a robust 25,000-hour lifespan, this UL-listed bulb is perfect for professional horticulture, hydroponics, and commercial farming environments seeking efficient, high-impact plant growth solutions.

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Product Dimensions	2.62 x 2.62 x 2.67 cm; 560.19 g
Specific uses	Horticulture, Commercial, Nursery, Hydroponics, Farming, Agriculture, Organics
Is assembly required	No
Number of pieces	1
Batteries required	No
Included components	GE 30W PAR38 LED RED REPRODUCTIVE SPECTRUM GROW LIGHT 1CT
Item weight	1.24 Pounds

GELighting 93101233 30-Watt Horticultural LED Grow Light PAR38 Plant Bulb Red Reproductive Spectrum

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