Category Archives for Grow Light Advice

How Far Should Grow Lights Be From Plants

grow lights hanging above

If you’ve spent any time searching for the best height to hang your grow lights, you’ve probably found a bunch of wildly different answers. That’s because it’s impossible to give an exact distance. What I can give you, is a good starting point. From there, you’ll gradually move the lights closer to the canopy, while […]

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December 10, 2017

Glossary Of Grow Light Terms

glossary of grow light words

You want an LED grow light with a high PPFD. That’s nice. Now what the heck is PPFD? And why do I want it? I get a lot of questions about various terms that are standard jargon in our industry. And I know I’m partially to blame for that. I try to avoid grow light […]

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November 8, 2017

What Does A Grow Light Ballast Do?

grow light ballast

Every grow light needs a ballast. With fluorescent and LED lights, the ballast is built-in and not something you have to worry about. But if you’re thinking of going with HID plant lights, you’ll have to buy the ballast separately. The best way to do this is to get an HID grow light kit that […]

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August 21, 2017

HPS vs MH Grow Light Bulbs

a metal halide lamp

It can be really confusing. HID, HPS, MH, wtf? So many acronyms and even if you know what they all mean, you then need to figure out which one you want. So I’m going to make your life a little easier by explaining the difference between HID, MH and HPS and helping you decide which […]

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August 16, 2017

T5 Fluorescent Grow Light Vs. Low Watt LEDs In Lettuce Test

lettuce test of grow lights

LEDs are clearly better than fluorescent grow lights, right? Well, not always. It really depends on the LED in question.  And for small grows, I’ve always said you’re better off just using a fluorescent light. This experiment proves that. It also shows the ineffectiveness of using all-blue light for vegging. Sure, plants need more blue […]

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August 10, 2017

What Kind Of Fluorescent Lights To Grow Plants?

fluorescent grow light bulb

The short answer is: any type of fluorescent light will help plants grow. But it’s not quite so simple. While you can use any type of tube or bulb and see results, you want to provide the kind of light your plants want most. That’s how you get the best results. So what type of […]

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August 8, 2017

Advantages and Disadvantages of LED Grow Lights

LED grow light diodes

When it comes to farming indoors, LED lighting technology has been gaining in popularity day by day and is slowly replacing traditional lighting systems. LED lights are seen as the technology of the future and they have a number of huge advantages over other types of horticultural lighting. That said, they also have several disadvantages.   […]

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February 12, 2017

Can You Use Regular Light Bulbs As Grow Lights?

a grow light bulb

Grow lights are expensive. Regular light bulbs are not. This could be a great way to save money…if regular bulbs work for growing plants. People often assume you need expensive grow lights to make up for the lack of natural light, but the truth is, you can actually use regular light bulbs to grow plants […]

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February 9, 2017

The Difference Between PAR and Lumen

different wavelengths of light

Indoor agriculture is on an upward growth trajectory, with investment in indoor agri-technology solutions estimated at $52 million in the US alone for the period from 2011 to 2014 [1]. The use of grow lights is a vital component of indoor agriculture, either to supplement natural light, to lengthen daylight or as a substitute for […]

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February 5, 2017

The Advantages of Fluorescent Grow Lights Over Other Plant Lights

fluorescent grow light bulb

When gardening indoors, the type of light can make all the difference in plant health and productivity. There are a lot of lighting options to choose from, but most gardeners start with fluorescent grow lights, like the Agrobrite series from Hydrofarm. They begin with fluorescents for a reason: they have a number of advantages over other types […]

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February 1, 2017