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30W Plant Grow Lamps LED Bulbs for Plant Aquarium Hydroponic

2021-08-05

What Size LED Grow Light Do I Need?
 
To work out what size of LED grow light you need, you first need to calculate the exact size of your grow space.
 
The Size Of Your Grow Space
When growing cannabis, a good rule of thumb is to use a minimum of 50 watts of light per square foot of grow space. We want to flood our plants with light ( food ) so that they have lots of energy to produce big potent buds.
 
Therefore, we need to calculate the square footage ( length x width ) of our grow space. We’ll then multiply this number by 50w to give us the rough wattage of light we require.
 
EXAMPLE: I have a grow space that is 2ft long and 3ft wide. This gives me a square foot grow space of 6 ( 2ft x 3ft ). I then multiply this number by 50w, which gives me 300w. Therefore, in this example, I would require an LED grow light that was at least 300w.
 
How Many Plants Can I Grow?
In general, each cannabis plant you grow requires at least 1sq ft of space. After germination, I like to pot one plant in a large 5 gallon fabric container, which has a diameter of roughly 1 sq foot. My plant will stay in this pot until it flowers.
 
This allows the plant to grow big and strong without other plants or tent walls obstructing its progress. Using this as a guideline, I would be able to grow between 1-6 plants in my example above.
 
Most LED grow lights usually be able to cover about 1- 6 plants. If you want to grow any more plans than this, I’d purchase multiple lights to hang side by side ( called daisy chaining ) to cover the canopy and ensure each plant is getting enough light.
 
The table below shows how the power of grow light you require increases with the size of your grow space. I’ve also included how many plants each size of grow light will be adequate for.

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30W Plant Grow Lamps LED Bulbs for Plant Aquarium Hydroponic

What Size LED Grow Light Do I Need?
 
To work out what size of LED grow light you need, you first need to calculate the exact size of your grow space.
 
The Size Of Your Grow Space
When growing cannabis, a good rule of thumb is to use a minimum of 50 watts of light per square foot of grow space. We want to flood our plants with light ( food ) so that they have lots of energy to produce big potent buds.
 
Therefore, we need to calculate the square footage ( length x width ) of our grow space. We’ll then multiply this number by 50w to give us the rough wattage of light we require.
 
EXAMPLE: I have a grow space that is 2ft long and 3ft wide. This gives me a square foot grow space of 6 ( 2ft x 3ft ). I then multiply this number by 50w, which gives me 300w. Therefore, in this example, I would require an LED grow light that was at least 300w.
 
How Many Plants Can I Grow?
In general, each cannabis plant you grow requires at least 1sq ft of space. After germination, I like to pot one plant in a large 5 gallon fabric container, which has a diameter of roughly 1 sq foot. My plant will stay in this pot until it flowers.
 
This allows the plant to grow big and strong without other plants or tent walls obstructing its progress. Using this as a guideline, I would be able to grow between 1-6 plants in my example above.
 
Most LED grow lights usually be able to cover about 1- 6 plants. If you want to grow any more plans than this, I’d purchase multiple lights to hang side by side ( called daisy chaining ) to cover the canopy and ensure each plant is getting enough light.
 
The table below shows how the power of grow light you require increases with the size of your grow space. I’ve also included how many plants each size of grow light will be adequate for.

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