However you could technically put up to 4000 watts over a 4 by 8 growing area if you could manage the heat load.
Best led wattage for weed.
Although wattage is an important factor in deciding what grow light to purchase for your weed it s important to consider the par output too.
Although just about any led grow light even the worst ones can grow good weed some newer models developed specifically for cannabis are getting better yields density and plant growth rates than older and generic models.
For example the gavita led 1700e is 646 actual watts but is equivalent to a 1 000 watt hps.
Opticled has meanwhile changed the name to phatslim 1 by opticled is without a doubt a masterpiece in the world of cannabis grow lights having been released in late 2019 it is well equipped with state of the art tech at every level.
The bestva 2000w led grow light for weed is as powerful as a 1400 watt hps grow light.
It has fans which run quietly and effective at keeping the led lights cool.
This led grow light can adequately cover a 7 7 grow tent filled with cannabis plants.
Cost wattage yield durability spectrum and more and these lights are truly the best options out there.
One 600 watt led grow light is about right for a 3 by 3 space.
The phantom 1 editor s note.
Best led grow lights for cannabis 2020 spider farmer sf 4000 led grow light.
The huge spider farmer sf 4000 led grow light contains 1 212 evenly spaced leds powered by a dimmable meanwell driver.
We reviewed hundreds of led grow lights available on the market as of sep 2020 and created a simple list to help you pick the best led lamp for your cannabis grow each lamp was evaluated across a variety of factors.
To work out what size of led grow light you need you first need to calculate the exact size of your grow space.
The best grow lights combine high wattage lumens and par with a full spectrum of light wavelengths to maximize your yield.
Each hid bulb can consume anywhere from 100 watts to 1 000 watts so it depends on the size of your grow but switching to led grow lights can save you 50 to 70 in actual power consumption.
July 9 2020 led grow light technology has been improving rapidly especially in the last 1 2 years.
The phantom 1 uses 180 highly efficient white led chips which were invented by samsung and released in april 2019 known as.
We want to flood our plants with light food so that they have lots of energy to.
When growing cannabis a good rule of thumb is to use a minimum of 50 watts of light per square foot of grow space.
So if your 5 x 5 growing space requires 320 480 watts of grow lighting and you choose the led route make sure your led light features an actual wattage of between 320 480.