Grow Lights Explained: Every Type, and How Much Light Your Plants Need

This Video is from the Youtube channel: “Proponics.”. 

Every type of grow light, in plain terms: LED (full spectrum, narrowband and blurple), fluorescent (CFL and T5), metal halide, ceramic metal halide and HPS. Plus how many hours of light plants need, short-day and long-day plants, how strong the light should be, and how many watts you need.

0:00 Do plants need sunlight?
0:20 How many hours of light
1:03 Light colour and growth stage
1:17 LED grow lights
2:18 Fluorescent: CFL and T5
3:05 Metal halide and ceramic metal halide
3:48 High pressure sodium
4:13 How strong should the light be?
4:52 How many watts?
5:14 Which should you buy?

Find the accompanying article for this video here:

How high to hang your light:
Measuring light intensity:

Image credits: metal halide lamp by Dave H. (public domain, Wikimedia Commons); red LED panel courtesy of NASA.

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