LED Grow Light, 252W (6x42W, 1400W Equivalent) 4ft T8, Full Spectrum, V Shape with Combo Reflector, Linkable Design, Plant Lights for Indoor Plants, 6 Pack

LED Grow Light, 252W (6x42W, 1400W Equivalent) 4ft T8, Full Spectrum, V Shape with Combo Reflector, Linkable Design, Plant Lights for Indoor Plants, 6 Pack

Q: How many 4ft light bars do I need to install above a 1 sq meter area of herb cuttings? Is it suffice to hang three of them?

Two should do nicely. It would be good if these lights told you how many lumens they put out. We found that two lights per four square feet of growing area put out enough lumens, in excess of 2,000 to make sure there was reliable light for growth. If you are ever going to do more or want a precise scientific way to know that buying a light meter (around $20.00) will let you know the lumens in each section of your growth area at the top of the growth area - thats helps adjust your lights for spacing or lets you know that if your plants are in pots which ones to rotate to a level with higher lumens periodically. Be sure if you buy a meter you get one thar reads lumens - the concentration of light as it hits a space. Obviously directly under the lights will give a higher reading than further away but the change in a four foot area should be inconsequential Answer Courtesty of a Mas ter Gardener with the Bay County Florida University of Florida Extension Office

Q: Are these good for medical marijuana?

Is it light and will it grow it. Yes. However if you’re going to go through the time of growing and want decent yields then you’re going to want more powerful lights. If you’re in a 4X4 space I would recommend a 650w (from the wall) LED Bar light for even coverage.

Q: How many inches from seedlings and plants should these lights be?

I set the lights roughly 6 inches away from the top of the soil when starting Once the seeds have germinated I move lights away roughly 18 inches

Q: Do you have a chart of ppfd values in 6” height increments for this light?

I will let the company answer that one but I can tell you what I did. I put seedlings into 7 gallon pots on the floor. Then I made a light stand out of pvc that stood 4 ft off the ground. This worked perfect until the plants grew bigger and then I simply raised the lights to accommodate the plants. I would keep them between 1-3 feet above the plants for sun living plants. These lights are bright enough to mount on the ceiling (8’-9’) and grow plants on the ground from seedling throughout vegetative stage. Then you will want to lower them to about 2 feet above the plants during flower/fruit.

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Product ID: 650472056

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Details

Shape
Round
Material
Polycarbonate
Finish type
Polished
Light source type
Light Emitting
Shade material
Aluminum

🌈Full spectrum for all growth stages

💡252W power, ultra-efficient

🔗Linkable up to 6 units

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Description

🌿 Illuminate your indoor jungle with power and precision!

DURABLE COOL RUNNING - 100% aluminum housing ensures superior heat dissipation, extending LED lifespan and reliability.
POWER PACKED EFFICIENCY - Consumes only 252W but rivals 1400W traditional lights, saving energy without sacrificing brightness.
COMPLETE GROWTH SPECTRUM - Delivers optimized blue and red wavelengths perfect for seedlings, vegetative growth, and flowering phases.
MODULAR LINKABLE DESIGN - Easily connect up to 6 lights in a seamless chain for scalable indoor garden setups.
REFLECTOR ENHANCED BRIGHTNESS - V-shaped combo reflector boosts light efficiency by up to 20%, maximizing plant photosynthesis.

The Barrina 252W LED Grow Light is a full-spectrum, energy-efficient solution designed for all plant growth stages. Featuring 1152 LEDs and a V-shaped reflector, it delivers high PPFD while consuming just 252W, equivalent to a 1400W traditional light. Its linkable design supports up to 6 units for scalable indoor gardening, housed in durable aluminum for optimal heat management and longevity. Backed by a 2-year warranty, it’s the smart choice for professional and hobbyist growers alike.

Specifications

Manufacturer	Bailina Lighting Electric Appliance Co.,Ltd
Item model number	QL42
Product Dimensions	121.92 x 12.7 x 12.7 cm; 3.74 kg
ASIN	B07QWV1THV

Have a Question? See What Others Asked

How many 4ft light bars do I need to install above a 1 sq meter area of herb cuttings? Is it suffice to hang three of them?

Are these good for medical marijuana?

How many inches from seedlings and plants should these lights be?

Do you have a chart of ppfd values in 6” height increments for this light?

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