Quote:
Originally Posted by OmegaVermelho
Iīve seen it and its a great tutorial on how to build a drip and a ebb and flow hydro systems, and how things work in the hydro world, but one thing left me O.o, i didnīt know there were HPS in blue spectrum....Mr Green keeps saying this through the entire clip..wich i bealive is not true...either u have MH in blue or HPS in Red/Orange spectrum....Peace and Pot
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there are hps bulbs that have a good blue spectrum saturation. the agro sun and hortilux bulbs have something like 30% more blue than normal hps bulbs