Durotest Aquatinic 7500K bulbs are my choice for cloning, seedling and mother plant lighting, for which they keep growth sturdy and compact. I switch to SunMaster Cool Deluxe metal halide during the early vegetative stage through the stretching phase of early flowering to keep the plant compact. I finish off the plant cycle with Hortilux high pressure sodium lighting. They are extremely bright and efficient with superior dispersion.
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