The average LED grow light draws about 32 watts to cover 1 sq ft for flowering. Compare this to a typical HID fixture which rings in at 40 watts per square foot (assuming a 5′ x 5′ area, or 25 sq ft coverage area). Using an HID in a 4′ x 4′ will bring the power coverage up to 62.5 watts per sq ft.

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

As a rule, you want 20 to 40 watts per square foot. Divide the wattage of your bulb by 20 (such as 1,000 divided 20 = 50), then divide the wattage of your bulb by 40 (1,000 divided by 40 = 25). The answer gives you the extremes of your light intensity range.

## How much power do LED grow lights use?

How much electricity do LED grow lights use? To calculate the monthly cost of operating a G8LED light, use the actual power draw in wattage. For example, the G8-600 Veg/Flower light has a power draw of 380 Watts. This means the light consumes 0.38 Kilowatts (Kw) per hour.

## How many plants can a 1000w LED light grow?

How Many Plants Can I Grow?

Grow Space Size | Minimum Number of Watts Required | Number of Plants You Can Grow |
---|---|---|

9 sq ft (3×3) | 450w | 1-9 plants* |

12 sq ft (3×4) | 600w | 1-12 plants* |

16 sq ft (4×4) | 800w | 1-16 plants* |

20 sq ft (4×5) | 1000w | 1-20 plants* |

## How many plants can I grow with a 300W LED light?

So 300W can coverage about 2*3ft area, in general, each cannabis plant you grow requires at least 1sq ft of space. So under 300W, you can grow about 1-6 plants.

## What size LED light do I need for a 4×4 grow tent?

For a 4×4 tent, you should have a grow light having an actual wattage range of 500-600 watts (assuming flowering plants which require a lot of light and are congregated in a single area.

## 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.

## How much power does a 2000 watt LED grow light use?

It total, the power usage is around 300 watts. The light is about equivalent in output to a 400 watt HPS bulb and has a 3 by 3 foot coverage area.

## How much does it cost to run a 1000 watt LED?

How much does it cost to run a 1000 watt LED grow light?

1000 watt Sodium | 600 watt Sodium | |
---|---|---|

Ballast Wattage | 1100 | 665 |

Cost per Month | $52.80 | $31.92 |

Initial Lumens | 130000 | 89000 |

Mean Lumens | 126000 | 81000 |

## 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.

## How many plants can I grow under a 600 watt LED light?

Sixteen plants that are grown under a 600-watt HPS lamp could produce about 37.5 grams or 1.3 oz of marijuana per plant. Under perfect, outdoor conditions, you can expect yields to extend to 500 grams or 17.5 oz per plant.

## How much does a 1000 watt LED yield?

Your yield from a single 1000w lamp is generally about 2 Lbs per harvest. Sometimes lower, 1.5 Lbs or sometimes higher, 2.25Lbs max for me. Each strain yields differently. It isnt about how many plants you have under a light, its about making sure the top canopy of plants is non stop green for the entire square.

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

the general rule of thumb is 25-50 watts of light per square foot, you have 100 sf, so you need 2500-5000 watts of light. Check out the led forums here, they seem to be the way to go, especially if heat is an issue.

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

Meizhi 300 LED Horticultural Light

Meizhi is a Chinese brand, so obviously the 300w label is pretty ridiculous. That is something Chinese brands always do. In actuality, this light is equivalent to 200 watts of HID power and uses somewhere around 130 watts.

## What size LED light for 2×2 grow tent?

3. California Light Works SolarXtreme 250 LED Grow Light

So a 2′ x 2′ tent or a 3′ x 3′ tent is a great fit with this light. Given its full spectrum capacity, it’s a light you can use for vegetation through flowering.

## Can police detect LED grow lights?

Police IR helicopters can see the heat pouring out like a fountain. The helicopters CAN NOT see through your walls and detect your grow lights. They can only see heat on the outside of a building. So if your growroom is insulated and the lights are not touching the walls you are fine.