According to sansi the life expectancy for all of its grow led bulbs is 25 000 hours with a warranty being granted for up to five years in canada and the u s or two years in europe.
Best bulb for growing weed.
The overall quality of the sansi full spectrum bulb is well above average.
Lower powered lights such as a 250 watt led grow light should be kept 12 24 inches above the top of the canopy.
Unfortunately fluorescent lights are expensive and you require a lot of fluorescents to simulate natural sunlight.
The cfl grow light produces a warm white light with the perfect intensity to help the cannabis plant achieve its best results.
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.
Mid range lights such as a 600 watt or 900 watt led grow light should be 14 36 inches from the top of your plants.
There are a bunch of different styles of fluorescent light bulbs but the most popular for growing weed is the t5 bulb.
The bulb uses 40 watts and provides a light output that is close to an incandescent bulb of 150 watts.
It s easy to install the reflective hood maximizes light output and the whole thing is super easy to use.
So a t5 bulb is of 1 inch in diameter.
Then again if you have a grow space of less than five square feet fluorescent light is enough when your plants are small.
The advantages of growing with t5 lights.
This led grow light bulb from unifun emits 620 nm to 660 nm from its red led lights and 460 nm to 470 nm from its blue led lights.
If you are looking to induce leaf growth and flowering in your indoor marijuana then this led grow light bulb is the best option for you.
Envirogro s 4 tube fixture is perfect for your at home grow operation.
If it is efficiency you re after hid is probably the best grow light for marijuana available.
The best grow lights combine high wattage lumens and par with a full spectrum of light wavelengths to maximize your yield.
In the early days of cannabis cultivation fluorescent grow lights were used by growers to simulate the sun just as they had been used for many years by farmers and botanists for indoor growing and early germination in cold climates.
If you still want to grow cannabis out of passion but not want to make it a profession and if you are budget constrained use fluorescents and led lights in the initial and vegetative phase and drop them out in the natural sunlight for the ultimate flowering.
The satco hi pro spiral cfl bulb is one of the best grow lights for use during the flowering stage of cannabis.
Led grow lights of different power ratings will perform best at different distances.
That is as long as you don t mind the increase in your electricity bill.