I would call them "water resistant", I've splashed them in the greenhouse and run then in high humidity conditions with no issues. I do not believe they can be safely submerged, however.

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highydroLED [Pack of 2]100W Led Plant Grow Light Bulb Full Spectrum 150 LEDs Indoor Plants Growing Light Bulb Lamp for Vegetables Greenhouse and Hydroponic E26 E27 Base Grow Light Bulbs AC 85~265V

Q: Is it really 100 watts our is it comparable to 100 watts?

My pal the electrician said it's like teaching metrics through equivalencies, using the previous standard of whatever-it-is-we-call-it (gallons, inches etc). So equivalent to 100 watts is saying that the output for this LED at 20 watts is equivalent to an incandescent at 100 watts. I personally don't understand why they can't just say it's as bright as a 100 watt. It does seem weirdly mislabeled, disingenuous or possibly even deceptive. We actually CAN understand that it's the output that is the same, not the input. (Not the seller's fault) My plants do love this bulb though! I think I'll take their word for it... ;-)

Q: Does this light produce any heat?

I had 2 running at the same time, about 4 inches above my plants. There was some heat, of course, but it wasn't much more than a regular 60 watt light bulb (spiral ones).

Q: Is this a mh(metal halide) or hps(high pressure sodium bulb?

Neither its LED the difference is less power consumption but on the bad side it don't produce enough heat to boost results but that's fine if u keep the room heated

4.5/5

Product ID: 331721907

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Details

Brand
highydroLED
Light Type
Incandescent
Special Feature
Instant On
Wattage
100 watts
Bulb Shape Size
PAR30

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Description

highydroLED [Pack of 2]100W Led Plant Grow Light Bulb Full Spectrum 150 LEDs Indoor Plants Growing Light Bulb Lamp for Vegetables Greenhouse and Hydroponic E26 E27 Base Grow Light Bulbs AC 85~265V