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- #81
Which is why the arrays are filled with mostly 3000k and 2700k bulbs.See here is the problem bud if you don't have the right spectrum lights it will hurt yields. See this chart blue green area hot for veg. You want high numbers there for veg but see how all these cfl t5 only have blue not not orange and mostly red. Red is needed even in veg for its p k uptake of a plant to grow . Best way I can say it man