Are these led lights dimmable?

The cords have an on/off rocker switch built in. Generally this style of LED is not dimmable. Each is individually not that powerful. I am adjusting the intensity by adding and subtracting tubes and adjusting the height over the plants. It is working out fairly well. For an 18" x 48" shelf I am using 3 tubes. I just used these this season for seed starting and those plants were just put in the garden. They worked well.

How many lights and what distance for sowing seeds for 48"x24" flats?

We do not use them for seed flats at this time but will likely do so next spring, These are very bright, powerful lights. I would use no more than two 48 inch per flat. Not knowing your location or setup I do not think that these bulbs will generate enough heat without other supplemental heat.

How far apart in parallel should the lights be placed for growing seedlings?

The height would also need to be considered as for spacing in parallel. 12 to18 inch for approx 12 in height

I bought a six pack of 2' lights. the shelf is 16" x 36". How many 2 foot lights per shelf?

I turned my walk in closet into a nursery. I have 3 long shelves around 4’ in length and 2.5’ in depth. I use 2 lights per shelve. That’s been working for me.

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Barrina 4FT T8 Plant Grow Light, 252W(6 x 42W, 1400W Equivalent), Full Spectrum, LED Growing Lamp Fixture for Indoor Plant Growing, with ON/Off Switch & V-Shaped Reflector, Pinkish White, 6-Pack

Product ID: 179519096

Details

Brand
Barrina
Color
Pinkish White
Light fixture form
Pendant
Material
Aluminum
Style
Pack of 6

🌱Full spectrum for optimal plant growth

💡252W power, replaces 1400W

🔗Link up to 6 lights in series

246329CFA

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Description

🌿 Illuminate your indoor jungle with power, precision, and style!

POWERFUL EFFICIENCY - Consumes only 252W while delivering brightness equivalent to 1400W traditional lights, saving energy without compromising growth.
SEAMLESS SCALABILITY - Easily link up to 6 light strips with included connectors and accessories for customizable coverage tailored to your indoor garden.
SMART HEAT MANAGEMENT - Constructed with 100% aluminum shell for superior heat dissipation, extending LED lifespan and maintaining consistent performance.
FULL SPECTRUM BRILLIANCE - Provides the perfect light wavelength ratio for plants, ensuring maximum absorption and healthier, faster growth indoors.
EFFORTLESS SETUP COMFORT - Quick DIY installation with tape, clips, and ties plus a pinkish-white light that’s gentle on your eyes while boosting your plants.

The Barrina 4FT T8 Plant Grow Light 6-pack delivers a full spectrum, energy-efficient 252W LED solution that replaces traditional 1400W grow lights. Featuring 1152 LEDs and a V-shaped reflector, it maximizes light absorption and plant growth indoors. Designed for easy installation and scalability, it supports linking multiple units and includes eye-friendly pinkish-white lighting. Built with durable aluminum for heat dissipation, it ensures long-lasting performance for hydroponics, greenhouses, and indoor gardens.

Specifications

ASIN	B082ZKJZP1
Best Sellers Rank	#13,940 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #12 in Plant Growing Light Fixtures
Brand Name	Barrina
Brightness	3100 Lumen
Bulb Base	G23
Color	Pinkish White
Connectivity Protocol	Wired
Control Method	Push Button
Controller Type	Push Button
Customer Reviews	4.6 4.6 out of 5 stars (13,350)
Finish Types	Powder Coated
Fixture Type	Non Removable
Included Components	Light kit inlcuded
Indoor Outdoor Usage	Indoor
Installation Type	Flush Mount
Item Dimensions L x W x H	47.1"L x 1.3"W x 1.38"H
Item Weight	7 Pounds
Light Color	Pinkish White
Light Fixture Form	Pendant
Light Output Maximum	3100 Lumens
Lighting Method	LED
Manufacturer	Bailina Lighting Electric Appliance Co.,Ltd
Manufacturer Part Number	QL42
Manufacturer Warranty Description	2 years.
Material Type	Aluminum, Polycarbonate
Model Name	Barrina LED Grow Light
Model Number	QL42
Mounting Type	Ceiling / Hanging
Number of Items	6
Number of Light Sources	6
Other Special Features of the Product	Easy Installation, Full Spectrum, High PPFD, Linkable
Power Source	AC
Recommended Uses For Product	for indoor using
Required Assembly	Yes
Room Type	Indoor
Set Name	6-pack
Shade Color	White
Shade Material	Aluminum
Shape	T8
Size	4ft-6 Packs
Specific Uses For Product	Indoor use only
Style Name	Pack of 6
Switch Type	Push Button
Theme	Indoor Use, Plant Growing
Unit Count	6.0 Count
Voltage	270 Volts
Warranty Type	Limited
Water Resistance Level	Not Water Resistant
Wattage	42 watts

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246329CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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