# How much light do I need for a 10x10 grow room?

November 1, 2022

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## How many grow lights do I need calculator?

Let’s say you’re growing in a 5′ x 5′ grow space. If your plants require 20-30 watts/sqft and your canopy is 4′ x 4′ of that area, you will need 320-480 watts of grow lighting.

## How much light does a grow room need?

Standard advice is to aim for 32-50 watts per square foot of grow space. Closer to 25 watts if your grow space is a dedicated veg tent. So if you’re working with a 3ft x 3ft area, you theoretically want an LED light with a power rating of between 225 watts (vegetative) and 450 watts (flowering).

## How much area does a 1000 watt LED grow light cover?

These lamps have an output of 100 to 1000 watts. The 400 and 1000 watt bulbs are the most useful. A 1000 watt grow light can illuminate an area of ​​about 7 feet square when the light is hung 2 feet above the plants. A 400 watt light would work for an area about 4 feet square.

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

2 month plants should yield around 40g per plant so you can easily fill a square meter with around 9 and get up to 400g per 600w light. However, 3 month autoflowering plants grow much taller, so you should only plant 4 per 600w light.

## Are 2 grow lights better than 1?

If you are an experienced grower or have a larger grow space, you will inevitably need more than just a grow light. For example, a 4′ x 8′ grow tent will require at least two grow lights, each capable of covering an area of ​​4′ x 4′.

## How far should LED grow lights be from plants?

Overheating or insufficient lighting can be caused by too many or too few lights, but also by lights too close or too far from the plants. There is no universal rule for setting the spacing, but it is recommended to place the LEDs 12 to 18 inches away from the plants.

## How far should 1000w LED grow lights be from plants?

Lower wattage LEDs around 200 watts should sit between 12 and 20 inches from the top of the plant. Higher wattage LEDs of 1000 watts and up should sit between 36-46 inches from the top of the plant.

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

Yield Lab 1000W HPS+MH Cool Hood Reflector Grow Light Kit (Price: \$239.95) — With a 1000W grow light, you get 130,000 lumens from an HPS light and 110,000 lumens from an MH light. This is enough to cover up to 6 plants.

## How many watt LED grow light do I need?

As a rule of thumb, aim for 20 to 40 watts per square foot. Divide the wattage of your lightbulb by 20 (e.g. 400 watts divided by 20 = 20) and then divide the wattage of your lightbulb by 40 (400 divided by 40 = 10).

## How many plants can you fit in a 10×10 grow tent?

The 10′ x 10′ indoor grow rooms accommodate up to 32 medium sized plants or around 24 or so if you want them to grow larger than normal. These monstrous grow tents require an extra room or garage space to set up since they are so large.

## How many plants can I grow with 1200W LED?

Modern LEDs can emit the same light intensity as HPS units while using about 60-70% of the energy. Therefore, they cover the same space with less wattage. A good 250W LED is equivalent to a 400W HPS, which can cover about 5-6 plants. In comparison, a powerful 1200W LED should be able to cover about 8-9 plants.

## How many watts of light do I need per square foot?

How to determine how much light you need in watts: The general rule of thumb for providing light for an area is at least 30 watts per square foot. 50 watts per square foot is optimal.

## Can I leave my grow light on 24 hours?

A: In general, you shouldn’t leave grow lights on 24/7. Plants need a light-dark cycle to develop properly. It’s thought that they really “rest” during times of darkness and likely use that time to transport nutrients to their extremities while they pause in growth.

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

The answer. A 1000 watt LED grow light running 18 hours a day for 30 days at 14.21 cents per kWh will cost you \$76.24. Running grow lights can be expensive.

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

The answer. A 1000 watt LED grow light running 18 hours a day for 30 days at 14.21 cents per kWh will cost you \$76.24. Running grow lights can be expensive.

## Are growing lights expensive to run?

It’s true that commercial growers with thousands of plants to tend are likely to have huge electricity bills, but for the average indoor gardener the monthly cost of running a moderately powerful single LED light can Grow light is only a dollar or two a month.

## How much does a 600 watt grow light cost to run?

Multiply \$0.0195374 by the number of hours you want the lights on (14 hours). The cost of running the lights per day is \$0.2735236, or \$8.20 per month. If I had an HID (High Intensity Discharge) lamp with a 600 watt bulb in it, it would cost me \$30.90 per month, using the same calculation method.

### References:

1. https://growershouse.com/blog/how-many-led-lights-do-i-need-for-my-grow-room
3. https://hydrobuilder.com/learn/grow-light-coverage-calculator/
4. https://californialightworks.com/blog/choose-the-right-led-grow-light-based-on-your-grow-tent-size/
5. https://www.hydroponics.net/grow-lights.php
6. https://www.growbarato.net/blog/en/many-plants-per-light/
7. https://hydrobuilder.com/learn/grow-light-setup/
8. https://agnetix.com/10-mistakes-to-avoid-when-using-led-grow-lights/
9. https://scynceled.com/blog/how-close-should-grow-lights-be-to-plants/
10. https://growace.com/blogs/learning-center/how-many-grow-lights-do-your-plants-need
11. https://www.bhg.com/gardening/houseplants/care/choosing-plant-grow-lights/
12. https://hydrobuilder.com/grow-tents/grow-tent-size/10×10-grow-tents.html
13. https://www.royalqueenseeds.com/blog-how-many-plants-to-grow-per-square-meter-n774
14. http://www.organicagardensupply.com/grow-lights/wattage-calculator-how-much-light-should-you-have/
15. https://www.saferbrand.com/articles/faq-hydroponic-grow-lights-on
16. https://climatebiz.com/1000-watt-led-grow-light/
17. https://www.perchenergy.com/energy-calculators/led-power-consumption
18. https://www.ourhouseplants.com/questions/how-much-does-a-grow-light-cost-to-run
19. https://www.canr.msu.edu/news/how_much_does_it_cost_to_run_my_plant_lights