hi folk this is my first post in this forum forgive me if im posting in a wrong please here is my question
my light goes on and off every 5 minutes ballast making sound when the light goes off kind of tikking noise, i have been using the light over 1 years its 400 hps light .
1.why the light goes off like that?
2.how to know if the bulb is over?

i have 1 m2 grow room 6 plants with my homemade ebb & flood system(hydroponic) i use advance nutrients, i have been growing indoor last 2 years thanks in advance
tooguru Reviewed by tooguru on . i am a newbee help please!!! hi folk this is my first post in this forum forgive me if im posting in a wrong please here is my question my light goes on and off every 5 minutes ballast making sound when the light goes off kind of tikking noise, i have been using the light over 1 years its 400 hps light . 1.why the light goes off like that? 2.how to know if the bulb is over? i have 1 m2 grow room 6 plants with my homemade ebb & flood system(hydroponic) i use advance nutrients, i have been growing indoor last 2 years Rating: 5