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 Post subject: What’s the proper distance between the grow light and plants
PostPosted: May 17th, 2022, 2:40 am 
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Joined: November 24th, 2021, 12:17 am
Posts: 151
This depends on both the plant and the type of light used, but there are some general rules you can follow.

First off, do the hand test – leave your hand under the light for 30 seconds at a distance where the plant will be. If the heat is too much for you, it’s too much for the plants as well. However, that’s not the best measure.

For HID lights, keep them around 12 to 20 inches away if they’re 400 to 600 watts and keep them 16 to 30 inches away if they’re over 600 watts, as a general rule.

LED lights below 200 watts are good somewhere around 15 to 20 inches away from plants. Lights up to 500 watts should be kept around 20 to 30 inches away, while lights stronger than 500 watts need to be kept 30 to 45 inches away.

Fluorescent lights are usually good at 10 to 15 inches if they’re below 400 watts, lights of around 400-600 watts need to be kept at 15 to 25 inches and lights stronger than that should be at least 20 to 30 inches away.


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 Post subject: Re: What’s the proper distance between the grow light and pl
PostPosted: May 29th, 2022, 5:37 am 
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