# FAQ: How many plants can i grow with a 300w led light?

## What is a 300 watt LED grow light equivalent to?

In actuality, this light is equivalent to 200 watts of HID power and uses somewhere around 130 watts.

## How many watts led 2 plants?

Recommended wattage assuming 1.0 sq ft/plant

# of Plants Square Feet Wattage from Wall
1 1 30 to 40 watts
2 2 60 to 80 watts
4 4 120 to 140 watts
6 6 180 to 200 watts

## How many plants can I grow with a 600w LED light?

How Many Plants Can I Grow?

Grow Space Size Minimum Number of Watts Required Number of Plants You Can Grow
4 sq ft (2×2) 200w 1-3 plants
6 sq ft (2×3) 300w 1-6 plants
9 sq ft (3×3) 450w 1-9 plants *
12 sq ft (3×4) 600w 1-12 plants *

## How much does it cost to run a 300W LED grow light?

A 300 watt LED will cost \$150 – \$300 each year of use, saving \$150 – \$300 over a 600 watt HID in annual electric costs with no need for replacement bulbs. Replacing a 600 watt HID with a 300 watt LED will pay off after 2 to 4 years, assuming the initial cost of the LED is around \$950.

## How much does it cost to run a 600W LED grow light?

The average price in the USA is 12.83 cents per kilowatt-hour (\$0.1283/kWh). This is the daily cost to operate the G8LED 600W Veg/Flower grow light. Multiply by 30 to get the monthly operating cost. In addition to the lower power usage of the light, the lower heat output means less HVAC and more savings.

## How much electricity does a 1000W LED light use?

You need to divide your wattage by 1,000 (1,000 kilowats in 1 watt). So, if we were to run a 1000 watt grow light 18 hours a day with the kWh rate we gave earlier, our formula would be: 1 x \$0.1559 x 18 x 30 = \$84.186/month.

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## What size LED light for 4×8 grow tent?

To produce a favorable yield in flowering period, you need a LED light with an output of at least 50W per square foot of growing space. Now your 4×8 grow tent is 4ft long and 8ft wide. Which gives you a square foot grow space of ( 4ft x 8ft ) = 32. And then, multiply this figure by 50W: ( 32 x 50 )W = 1600 W.

## What size LED light for 3×3 grow tent?

The smallest number of watts needed to grow cannabis in a 3×3 foot grow tent is 40 watts per plant, although the best grow lights use at least 200 watts for the whole tent.

## What is the best wattage for LED grow lights?

For high- light plants like tomatoes you will want to achieve around 40 watts per square foot for optimal growth and fruit production. For low light plants, and small leafy plants like herbs and lettuce, you will only need to achieve about 25 to 30 watts per square foot.

## How many lights do I need for 12 plants?

The minimum you want to use the entire room would be 4x600w lights this would give you room enough to get in around the plants at watering time etc. But in all honesty depending upon how much you would like to achieve (grams wise) you could grow 12 medium sized plants under 2x600w lights and section the room off.

## How many watts do I need for 20 plants?

Most flowering plants grow best with 20 -30 watts of light per square foot. Don’t make the mistake of thinking more is better.

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## How far should my LED grow light be from my plant?

For established plants, they are already where they need to be in order to thrive. During the flowering stage LED Grow lights should be located between 16-36 inches from the plant canopy. Moving the grow light closer will increase the light intensity which can maximize photosynthesis.

## Do LED lights make your electric bill high?

LED strip lights do not cost a lot of electricity compared to traditional incandescent lights. It’s been shown that the electricity used over the lifetime of a single incandescent bulb costs 5-10 times the original purchase price of the bulb.

## How much electricity does a 600W LED grow light use UK?

Cost Breakdown

600W HPS (digital) vs. Telos LED
1 x 600W HPS (digital) 2 x Telos 0008
Power draw 636W 480W
Electricity* £418.84 £316.11
Replacement reflectors 1 x £18

## How much does it cost to run a LED grow light?

To run a PhytoMAX-2 1000 12 hours per day at a utility rate of \$0.12/kWh will cost \$1.51 per day, or \$45.36 per month. Running a PhytoMAX-2 1000 12 hours per day uses 12.60 kWh per day, or 378.00 kWh per month.

2 years ago