Lec grow lights. Ceramic Discharge Metal halide (CDM) also marketed as Ceramic Metal Halide (CMH) and Light Emitting Ceramic (LEC). In other words, “LEC” is a marketing name for a CMH light in a specific fixture, not a new type of grow light technology. LEC lights promised to revolutionise indoor growing. by Nebula Haze This grow journal from 2020 features two indoor cannabis gardens that are identical except for one thing: the grow light! See a match-up between LEDs vs LEC grow lights. Unsure of which grow lights to choose for your indoor grow-op? Check out our guide on LEC lights to learn about their benefits and drawbacks. This Sun System Flower Power LEC 315, Grow Light, 120/240 V is heavy duty and made of quality materials. Choosing the correct grow lights is so critical. At current, it seems that LEC won’t outperform MH, HPS, or LED grow lights, though their benefits may appeal to some growers. Looking forward to getting my hydroponics green house up and running with this Get the best deals for Sun System Lec 630 at eBay. CMH/LEC lights serve to mimic natural sunlight and ensure the growth of indoor plants. hswe, 0umcn, yqhed, eidkds, dzzwdk, 31jiij, xidbl, j2k91, jx8e4, gmbn,