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Showing 1-10 of 529 reviews(Verified Purchases). See all 597 reviews
on December 29, 2016
Well this is my first serious grow. Ever!
When I started I only had a couple of seedlings and some cheap $20 lead grow lamp that germinated the seeds pretty well.. then I got 4 clones and had them under the same light and it was definitely not working! So I ordered this mars300 on a Saturday night and since I'm a prime member I got free 1 day shipping on the light and it was at my door step on Sunday morning at 9am!!! I hooked this baby up and within the first 2 days I could see the plants were loving it! Within the first week there was already a ton of new growth sites and they were bushing out and getting a lot taller!! Definitely going to get the mars 600 to add In with this grow so I can space the plants out more, and maybe even add a few more plants to the grow!!
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VINE VOICEon November 14, 2016
First time using leds, decided on mars hydro after doing some in depth research and admitting I am not a professional grower and that any difference between this $80 setup and an $800 one would not be important to me. This seemed like the best deal price wise and for the light you get and if you search a bit you will see hundreds of reviews and videos on the performance of this light. I ordered one, used for a month and liked so much that I ordered another one for a 2x4x8. My plants are doing extremely well (as far as I can tell, they have tripled in size in 3 weeks, so in my eyes they are doing fantastic, and that is what matters to me) they seem to be loving the light output , lights arrived quickly ,very well packaged , and quality of lights seem to be good, with two lights going and door closed you can barely here them. I am happy with these leds and plan on buying some more as I upgrade it. Haven't had mine for long enough to speak on longevity, but if they hold up even for a couple of years, I would be happy with them as due to the price point they can be easily replaced.
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on February 13, 2017
Just got the light a few days ago for my flowering stage. I'm upgrading from a bunch of curly bulbs. Just a causal grower and man does this thin work I saw a difference very quick. Would buy again for sure
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on March 6, 2016
So far so good.
The light is pretty dang bright and seems to do the job very well! (300w).
I'm unable to speak for the longevity of the light, but running at 24/7 for a couple of weeks now and it doesn't seem to be overheating.
My babies are reaching up towards it, loving every minute of it.
4 stars because of the misleading wattage and because the included daisy chains make all 3 I own hang a bit uneven.
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on August 20, 2017
Nice little LED light!
I have this over 4 vegging plants and they are loving the light! Perfect for a 1.5square foot area in flower or even a 2square foot for veg. Will be getting two more in the future...one more for my current setup when I have a few more plants in veg...and one for my seedlings. I'm also excited to try them out for flowering in the full Specktrum
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on January 21, 2017
Low wattage light but I find it exceptional for vegeing. Very good option to get into led grow lighting at a very affordable price.
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on November 29, 2016
This arrived packed so carefully and in perfect condition! Fast shipping as well.

I have not used this light yet, but we plugged it in and it is soooo bright! I'm expecting we will double our little indoor crops with this awesome light!

No need for any other lighting if you are growing inside in a small spot.

Perfect!
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on April 16, 2017
My seedlings are doing great under this light. I'm so pleased with it I've ordered the second. Highly recommended to any avid gardener who starts plants from seed.
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on October 24, 2016
solidly made & has a cooling fan. It is a bit short for covering a 10.5 x21" nursery tray up close, but gives even bright light which works well when removed a few inches from the plants.
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on February 17, 2017
Great light for the price,plant loves it!
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