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

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And then, multiply this figure by 50W: (32 x 50)W = 1600 W. This means your 4 x 8 grow tent requires an LED cannabis grow light bulb size which is at least 1600W or, you can use a combination of multiple LED grow bulbs which will be totaling to 1600W.

## What size LED light do I need for my grow tent?

Standard advice says you should aim for 32-50 watts per square foot of grow space. More like 25 watts if your grow space is a dedicated veg tent. So if you were working with a 3′ x 3′ space, you’d theoretically want an LED light with a power draw somewhere between 225 watts (vegetative) and 450 watts (flowering).

## How many watts 4×8 grow tent?

If it is 4×8 on the floor, then two 600 watt lights should still be good. If you go to three lights you might want to go down to 400 watt bulbs. Check the “how to grow” forums.

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## What size LED light do I need?

To determine the needed lumens, you will need to multiply your room square footage by your room foot-candle requirement. For example, a 100 square foot living room, which needs 10-20 foot-candles, will need 1,000-2,000 lumens. A 100 square foot dining room, which needs 30-40 foot-candles, will need 3,000-4,000 lumens.

## How much area does a 600 watt LED grow light cover?

The wattage of the light will determine how much area you can light up. If we assume that the plants will get no sunlight, a 1000 watt light will cover about 7×7 feet of growing area. A 600 watt will cover 6×6 feet, a 400 will cover 4×4 feet, a 250 will cover 3×3 feet and a 150 will cover 2×2 feet.

## What size LED light for 5×5 grow tent?

For a 5×5 tent, it’s best to use about 1000 watts (High-Pressure Sodium) lights. HPS lights appear to be yellow in color, but these have the color spectrums yellow and red. Both spectrums are great for flowering plants. However, this doesn’t mean that HPS can only be used for flowering plants.

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

You should shoot for 350 watts in a 3×3 tent. I would avoid amazon led lights. They are low priced and low quality, or in some cases high priced and low quality. 700 is going to be tough if you are looking for a light ready to go.

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

A good rule-of-thumb for LED grow lights is 32 watts of actual wattage per square foot of growing space for flowering medical or other large flowering plants.

## What lights do professional growers use?

Today, the most widely used lights for professional use are HIDs and fluorescents. Indoor flower and vegetable growers typically use high-pressure sodium (HPS/SON) and metal halide (MH) HID lights, but fluorescents and LEDs are replacing metal halides due to their efficiency and economy.

## How many plants can I grow under 1000w LED?

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*

## Should I use 4 inch or 6 inch recessed lights?

Choose one that will accommodate the height of your ceiling or the size of your wall. 4-inch and 5-inch fixtures are great in kitchens for providing overhead countertop lighting. 6-inch fixtures are most common for general lighting purposes. 7- to 9-inch fixtures will create a wider wash of light.

## How bright is a 15W LED light?

LED light bulbs for general use around the home will typically have a wattage between 5W-15W, and will emit between 300-500 lumens. Some outdoor floodlights emit in excess of 20,000lm.

## How bright is a 30 watt LED light?

How bright is a 30w LED floodlight? A 30w LED floodlight is usually equal to a 300w halogen floodlight. Top-spec 30w LED floodlights such as Osram are 100 lumens per watt, but not all lower-spec 30w LED floodlights are as bright. Lights are measured in lumens, and higher lumens generally means a better LED.

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## How much does it cost to run a 600 watt 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 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 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. Vegetative growth for high-light plants need about half this wattage).