GoldenGanja13 Well-Known Member Jul 20, 2011 #2 I replace once a year. Being I have them on every 12 hours for the year.
k0ijn Scientia Cannabis Jul 20, 2011 #3 yetibear said: How often do you replace your grow bulbs (lamps)? Click to expand... Depends on the bulb. Every 6-10 months depending on type and light schedule.
yetibear said: How often do you replace your grow bulbs (lamps)? Click to expand... Depends on the bulb. Every 6-10 months depending on type and light schedule.
cowell Well-Known Member Jul 21, 2011 #5 I have gone a year.. will stick to 6-8 months from here on in.
