ED37 Clear Metal Halide Lamp 400 W 4000K - Buy Now! by Andrew Vijayakumar

Name: 💡 Sylvania SYL64036 M400/U/ED37 Clear Metal Halide Lamp 400 W 4000K - Buy Now!
Item: 💡 Sylvania SYL64036 M400/U/ED37 Clear Metal Halide Lamp 400 W 4000K - Buy Now!
Rating: 5

August 26, 2022

Great for veg growing

On the first test run it took about a minute for the arc to first ignite but once it finally ignited I let it cure for about 15 minutes and works great ever since. My plants were nice and stocky with very little internodal spacing. Suitable for "Cool-Tube" type reflectors. I'm glad I didn't spend money on a more expensive "brand name" garden bulb, I got the results I was aiming for.

Pros

Universal working position allows for a wider range of uses

Cons

Ugly packaging

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