Grow Light Reviews 2021

Best LED Grow Lights

• Best Overall. TS-1000 LED Grow Light Mars Hydro.
• Best for Herbs. Indoor Garden GrowLED. ...
• Best Strips. LED Grow Light Strips Mosthink. ...
• Best Large. BU 2000 LED Grow Light Barrina. ...
• Best Bulb. LED Flood Light Bulb GE Lighting. ...
• Best Clip-On. LED Grow Light GooingTop. ...
• Best String Light. ...
• Best For a Single Plant.

What is the best LED grow light for 2021?

Lights We're Including In This Test:

• Fluence SPYDR 2i LED Grow Light.
• Fluence SPYDR 2p LED Grow Light.
• Gavita Pro 1700e LED Grow Light.
• HLG 550 V2 R-Spec LED Grow Light.
• HLG 650R LED Grow Light.
• NextLight Mega LED Grow Light.
• Growers Choice TSL ROI-E720 LED Grow Light.
• Growers Choice TSL ROI-E420 LED Grow Light.

What is the best grow light 2022?

Top 5 LED Grow Lights

• Best For Medium Coverage: Spider Farmer SF-2000 LED Grow Light.
• Best Accessories: MARS HYDRO LED Grow Light.
• Best For Large Coverage: Spider Farmer SF-4000 LED Grow Light.
• Best Tubular Lights: Barrina Plant Grow Lights.
• Best For Small Coverage: VIPARSPECTRA LED Grow Light.

What is the best brand for LED grow lights?

After tests with real cannabis plants, we've narrowed down the list to our 5 best LED grow lights for growing weed in 2022.

• Spider Farmer (Best Budget Light)
• Electric Sky (Best Yields)
• HLG Quantum Board (Best THC Production)
• Mars Hydro (Best Coverage)
• Custom LED Mix (Most Modular)

Which is better purple or white grow lights?

White LED fixtures create a more pleasant environment, and the spectrum is similarly useful to plants as purple light, but fixtures are usually less efficient. Red+white LED fixtures create a pinkish light that seems to be a good compromise between efficacy and lighting preferred by people.

What should I look for when buying a grow light?

Good full-spectrum lights for indoor gardening have a CRI rating above 85, but the closer to 100, the better. Be sure to buy enough fixtures to evenly distribute the light over the entire area. For seedlings along the perimeter to thrive, they should receive the same amount of light as those in the center.

How much does it cost to run a 1000 watt LED grow light per month?

Brightness (in Lumens)	Watts	Avg. Cost / month*
650 – 850	60W	$1.87
1000 – 1400	75W	$2.34
1450 - 1700+	100W	$3.12
2700+	150W	$4.68

What grow lights does NASA use?

LEDs Provide for Plants NASA has done several experiments with growing plants in orbit on the space station. The Veggie system uses LEDs to provide the kind of light that plants need.

How far should 1000w LED grow lights be from plants?

Lower wattage LEDs of around 200 watts should sit between 12-20 inches from the top of the plant. Higher wattage LEDs of 1000 watts and above should sit between 36-46 inches from the top of the plant.

How many hours a day should you use your grow lights?

To be effective, grow lights really need to be on for at least 8-10 hours a day. This can vary up to 16 hours, depending on the conditions. That's why LED grow lights are so popular – when they have to be left on all day, it's best to use an energy efficient type! Always position a grow light above the plant.

What led grow lights do professionals use?

Lights are essential because they largely determine your plants' grow cycles, their photosynthesis and therefore their health and their buds. Lighting is the food of your marijuana plants. Today, the most widely used lights for professional use are HIDs and fluorescents.

How much does a grow light raise your electric bill?

It's true commercial growers with thousands of plants to take care of probably have huge electrical costs, but for the average indoor gardener, the monthly cost to run a moderately powerful single LED grow light can be as little as a dollar or two a month.

Can you leave LED grow lights on all the time?

A: In general, you should not leave grow lights on 24/7. Plants need a light-dark cycle to develop properly. It's believed that they truly do “rest” during periods of darkness, and probably use this time to move nutrients into their extremities while taking a break from growing.

How many lumens is a good grow light?

Light Brightness and Lumens Vegetable seedlings and other “full sun” plants require about 2000 to 3000 lumens (at minimum) per square foot of growing space. So, if you're growing just a single standard tray of seedlings, using a grow light that emits 3000 lumens is sufficient.

How far should 100W LED grow lights be from plants?

During the flowering stage LED Grow lights should be located between 16-36 inches from the plant canopy. Moving the grow light closer will increase the light intensity which can maximize photosynthesis.

Can I burn my plants with a grow light?

Light, even intense light, probably won't burn your plants. If a plant is getting too much light, it can challenge your crops and be counterproductive, but it won't actually cause burning.

Why do people use purple grow lights?

Violet or purple light has a shorter wavelength and higher energy, and is thought to be effective as a secondary light source to facilitate growth and development of a plant's leafy vegetation.

Why do my neighbors have purple lights?

Domestic Violence When you see a purple porch light, it is a reminder that violence has no place in the home. It honors the survivors and victims of domestic violence. People have been encouraged to light their porches purple for Domestic Violence Awareness Month in October.

What is the best grow light for beginners?

Incandescent Grow Lights Traditional, cheap, and easy to find, these lights are great for a beginner on a budget! However, the bulbs can get very hot and should not be left alone or near kids and pets. We recommend that you keep the bulbs at least 18” away from the plants to avoid burning them.

How many watts is a good grow light?

As a rule of thumb, aim for 20 to 40 watts per square foot. Divide the wattage of your bulb by 20 (such as 400 watts divided by 20 = 20), and then divide the wattage of your bulb by 40 (400 divided by 40 = 10).