Anyone wants to try our updated Mars II 400? Here is the Giveaway activity: tinyurl.com/mars400
And if you are not so lucky to get it, buy it from our website : www.mars-hydro.com
I found some growers are plagued by the noise of the light, I believe our COB is the best choice. no noise and IP65;
Meanwell driver;
Cree and Osram chip;
High light efficiency
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