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I'm planning to buy leds for a custom growlamp. Price woulde be for 100 pieces about 15$ for 5mm 12000mcd (red 630 nm) (blue 470) Thera are also ultraviolet 400nm leds for about 20$. Would these be good or is it a must to get: Beta-carotene 450nm 480-485nm dual peak chlorophyll a 430nm...