There are many lighting options for indoor growing at home. LEDs sets are becoming increasing less expensive and better quality. HIDs are excellent for yield but produce a lot of heat requiring a large fan and often a large scrubber for odors as well. Low temperature lamps light like T5s and LEDs reduce many other costly requirements for a grow at home setup. T5 lamps are inexpensive and last several years. Regardless of you light selection, 18 hours of light for vegetation and 12 hours of light for flower are standard. Questions are welcome. Enjoy the process.
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