Hey folks, i like led lights, i just acquired 5’ x 5’ tent, how many much light (wats) do i need to cover that much space? Thanks in advance!
@dbrn32 is the Light Guru.
1.21 gigawatts!! Oh wait, that’s time travel. Mrpeat has you connected
That’s too funny
@imSICKkid is very knowledgeable of lighting also. I see him advising alot when waiting on Db.
Light isn’t really measured in watts, that is energy consumption. You should be looking for radiometric flux which is usually listed as PPF. For a 5x5, like 1500 umols/s or higher for flowering on 12 hour schedule.
Can you translate that English😁
Sure. Light A is 250 watt that runs at 1.3 umol/joule, light B is 250 watt that runs at 2.7 umol/joule. The PPF of light A is about 325 umols per second. The PPF of light B is about 675 umols per second.
Both are 250 watt lights. Light A by daily light integral standard will flower about 4 square feet. By the same standard light B will flower about 9 square feet. For what it’s worth, light A probably cost you $150-$200. Light B will run about $350-$500.
Keep in mind that just because a light is expensive, doesn’t make it a great light. That’s why you look for some kind of documentation on what you’re buying.
So for a 5x5 = 25sqf so i should need aprox 1800-2000 umols? Am i off ?
I would look for 1500 as bare minimum, up to about 2000. You’re looking for ppfd average of no lower than 600 umols/s, and not really much need to be over 800 umols/s on ambient co2.