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Mars ECO 49 LED grow light (USA)


Availability: In stock

Quick Overview

Mars ECO 49 LED Grow Light is produced to replace Mars 300 (white model) It is full spectrum, no growth or bloom switches. it is plug and play. Compared with Mars 300, Mars Eco 49 haven't glasses cover nor lens, it can dissipate the heat more efficiently.

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Mars ECO 49 LED



100W±5%@AC120V 100W±5%@AC240V

0.8426A/120V 0.4387 A/240V



2.4KG/ 3.1KG


50000 hours


400-410nm, 440-450nm, 450-460nm, 630-635nm, 650-660nm, 730-740nm and 2700K-3000K




Seedling:24”-30“ Growth:18”-24“ Bloom:12"-18 "

-4°F ~105°F (-20°C ~ 40°C)


USA, Canada, UK, Germany, Australia


Grow Tip

1.How do I determine the right light for my grow area?

Measure the floor space. Multiply the length times the width and this will give you the square footage. You should be able to get decent results with 30-50 actual watts of power per square foot.

2.For larger areas should I go with a single large panel or multiple medium to small lights?

Using multiple lights allows you to better distribute the intense light in more areas of the grow space instead of having all of the higher intensity light concentrated in only one area while the outer edges never receive intense light.

3.Recommended Hanging Distance Above Plants

Seedling: 24'' Germination: 24''-30'' Veg: 18''-24'' Flower: 12''-18''

4.Here are more tips for grow under our light:

Growth stage, turn Growth switch on. Bloom stage, turn Growth and Bloom switches on.

5.Recommended Lighting Time

Veg: 18/6(on/off) or 20/4(on/off) Flower: 12/12(on/off)

6.Recommended Growing Conditions

The rate of photosynthesis and transpiration are directly affected by temperature, humidity and airflow.

The perfect temperature and humidity for your plants are found between 75°-85°F and 50% - 70% humidity, with plenty of airflow to replenish CO2. PH is 6-6.5. You may add more calcium and magnesium than normally needed.

7.Please Note

The light is not water-proof, so do not use it under water environment.

Light may be too strong, please wear your sunglasses when looking at it.

Some leds seem dim. They are IR. Human eye can not see IR very clearly, but you can wear sunglasses to check.

Write Your Own Review

Customer Reviews

great great light Review by ilovemars
great light
Great Review by Dustin
@marshydro wonderful product.
Great product Review by Christian
At first I was skeptical about upgrading my Mars II series but then I purchased one of these lights and my view changed. These lights are intact better. They give better penetration into your canopy, they have no game which helps with the overall temp of light and allows the light it emits to travel correctly. There is a reason why Mars priced these lights slightly more than the older series, and that is because they are simply just better a recommend purchasing these for serious growers, well actually all growers. Happy growing. And thank you Mars for being a great company, you guys always take care of me

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