Best Lights for Growing Weed Indoors - Cannabis Tutorials

Best Lights for Growing Weed Indoors


When growing weed indoors, your lights are the main factor that determines how big your plants will get. There are many different kinds of grow lights for weed that you can buy, each having their own advantages and disadvantages.


Before looking at lights, it’s important to understand how ballasts work and what you’ll need. Ballasts all you to modify the amount of power that is transferred to the light. Most will allow either high-pressure sodium bulbs or metal halide to be used without changing any setting.

With looking for a ballasts you will want one that runs at or a little below your bulb’s rated wattage. Throughout early growth, a plant needs less light than when flowering. So you have the choice of installing a higher wattage bulb and increasing the power for flowering. Good ballasts allow you to change the power intensity along the life-cycle of the plant.

Ballast comes in two different categories, digital and traditional. Digital ballasts won’t buzz, runs quieter, cooler, more efficient and places less stress on the bulb itself. Digital ballasts do not have capacitors, igniters, or a transformer as compared to the traditional ballast.

The traditional ballast may cause the bulb to flicker, so quick our eyes don’t see it. This flickering can also diminish the useable lifespan of the bulb too. Traditional ballasts are usually cheaper than digital ones and are preferred by people that may be set in their ways

Dimmable Ballasts

Dimmable LED grow lights are significant means of adding a completely new level way of personalization to your grow marijuana. Most dimmable grow lights comprise of on/off button for flowering and vegetative growth stages, where diverse red or blue LEDs are turned on to maximize growth throughout each stage of life. Dimmable LEDs consist of a dimmer button which permits you to smoothly move between flower and vegetation by adjusting the proportion of each to the whatsoever level you need. This ensures that you can have an ideal custom setting for, seedlings, cloning, early and late bloom and prompt and late vegetation, which can certainly boost the overall health of your plants and your yield. It’s a perfect for practiced for growers who need to take their weed growing to the next pinnacle. Dimmable light is designed with LEDs in a well and typical pattern. It has resilient reflectors built-in to amplify and increase your canopy penetration and PAR by up to 200%. It also comes with a two-year warranty. It’s appropriate for every stage of vegetation.

3 Reasons to Use Dimmable Led Grow Lights

  1. It works as capacitor, protect the light, keep working if one LED is out of work
  2. More blue and red light, less white light, this light amount is more supportive for indoor plants
  3. Environmental friendly, high brightness and Energy Saving.

Soft Start Ballasts

Using the thermal fold back circuitry to apply a soft-start for LEDs does not hinder with its safety purpose. It has a big capacitor which slows its function, but its process remains suitable because thermal effects are naturally slow. Only the indication voltage is influenced, and the rest of the driver behaves normally which is useful for weed growth.

The Best Grow Lights for Growing Weed Indoors

The best grow lights for growing weed will be different depending on the grow room and budget. The main factors when considering which grow lights to chose are the wattage, color spectrum, and price.

Color Spectrum

There are full-color spectrum fluorescent grow lights. They are more costly and won’t hurt, but they do not make many similarities of a distinction for seedling, vegetative stages and germination. If you’re required to flower under the fluorescent light, which is not optional since it takes longer for the plants to grown-up and the amount of the harvest will be less and not strong, color spectrum lights would possibly be the best alternative.

Plants have developed for millions of years to become accustomed to getting the most energy probable from solar rays of light to convert H2O and CO2 into sugar for growth (photosynthesis). Because of this, the best light resources known for horticulture is the sun, and for growing weed indoors, it will be a grow light that best imitates the strength and range of the sun, this is where color spectrum is essential for weed growth.


The high the wattage of a bulb is the lighter it generates and the further light that’s produced, the better your weed will grow. An exceptional way to calculate the quantity of light you are receiving per square is by the use of lumens. Lumens and Wattage tend to work together but can differ system to system.

The stronger the light, the costlier it becomes. 400W and 600W light bulb are the preferred of indoor weed growers. Several weed growers still use light bulbs with higher wattage. This is reasonable when you believe that more light will bring about bigger result. But one needs to be considerate about the increase in Watts you make use of in your grow space, the hotter it gets. Particularly with 600W and 1000W light bulbs the hotness can turn out to be too high for your weed in your grow space. To ensure you’re ready to do some temperature management when using sturdy wattage light bulbs.

LED Grow Lights for Weed

LED grow lights are more popular among weed growers as a substitute to High-Pressure Sodium grow lights. Led grow lights are likely to run cooler and it typically comes with in-built cooling. They can frequently be hooked on a wall and hang over plants which are simpler than setting up a High-Intensity Discharge grow light. LEDs consist of huge penetration, and they don’t need to be regularly moved like fluorescents.

LEDs constantly have in-built cooling that pulls heat away from the plants which is different from HID bulbs which ray heat down on your weed and need to be cooled independently. Consequently, LEDs run incredibly cool and numerous weed growers can get away without vent heat at all. The lesser size LEDs can be attached straight into the wall and hang up over your plant, without the requirement to do anything again. Growers can just attach them in and start growing their weed.

High-Intensity Discharge (HID) Grow Lights for Weed

High-Intensity Discharge grow lights are greatly more resourceful than fluorescent lights and are power-driven by big, oddly-shaped bulbs. They twist into a reflector or cover to reproduce more light down onto the weed plants. HIDs are the best at growing weed, but they also get extremely hot and are frequently hooked up to exhaust to assist in venting out heat.

High-intensity release light lamps and bulbs are a family of gas discharge arc lamps which generate light by distributing an electrical expulsion through the plasma and between two electrodes, or ionized gas. An extra gas is usually used, and this gas supply is a simple way to organize the major category of HID lamps which are sodium, metal halide and Mercury,

These lamps are well-known for their high effectiveness at converting electrical energy into light and their extended velocity life. HID lamps require a ballast to produce the first gush of electricity required to start and to control their power during standard operation.

Metal Halide Grow Lights for Weed

Metal Halide is a perfect supply of lighting for plants that are blossoming. Most weed grower’s select high-pressure sodium over metal halide for flowering since high-pressure sodium bulbs generate more light per watt. With metal halide for flowering, the yield capacity can be a little smaller, but it will perhaps become a bit more powerful. Metal hide can be used for clones, seedlings, and germination but it is essential to avoid high-pressure sodium.

Weed growers can make use of metal halide lights during the first weeks of plants life, but the fluorescent light will supply sufficient light for seedlings and germination. Once the weeds plants have established numerous sets of leaves and a healthy root system, at the vegetative phase, you can go on with supplying metal halide light. If you require the weed to grow at a more rapid rate, you can add to the total light by switching from bright light to a metal halide light basis at any point in time.

High-Pressure Sodium (HPS) Grow Lights for Weed

High-Pressure Sodium grows lights are mostly utilized during the flowering period since they are very competent and their yellow light arouse bud creation. HPS grow lights in the flowering phase get improved yields per watt of electricity than any other category of grow light that’s available today, which is a big element of why they more popular.

High-Pressure Sodium light makes the plants develop and grow tall if complete for germination and seedlings of plants for the period of vegetative growth. Operating a higher or high-pressure sodium light when you can be using a fluorescent light that draws under 100 watts is not cost efficient, except if the plants cover up a big space or you require them to grow quicker. You might squander more funds on electricity over some period by high-pressure sodium lights or metal halide, than what it costs to purchase a glowing fixture.

Compact Fluorescent Grow Lights for Weed

Gone are the days when planting and growing weed indoors leads to huge electric bills. For the private grower, cultivating only a combine plants at the same time, thousand-watt high-pressure sodium light is too much. While high concentration lights typically create good results, with appropriate care you can generate high yield harvests by making use of Compact Fluorescent Lights.

Grow space for growing weed indoors in a garden are often limited, and this is where Compact Fluorescent grows lights shine in every awareness of the plant garden. If you’ve a very little grow room, CFLs could be what you’re searching for. Compact fluorescent light can be found at any grocery or hardware store. They give off a great light spectrum for growing weed indoors.

Benefits of growing weed with CFLs

  • Suitable for very small or short grow spaces
  • Easy to find in home improvement stores and grocery stores
  • Cheap to get started

Remember, grow lights for weed are essential for big plants. Now that you know how to choose the best lights for growing indoors, don’t forget to research more on installing your lights or consider hiring an electrician.


About Author

Mason is an accredited cannabis aficionado, licensed cannabis retailer, and PhD level guru for all things weed. Originating from California, Mason now lives in Oregon, an amazing place for a cannabis consumer. He consumes cannabis to help him control his insomnia so he can sleep. Mason has grown cannabis, consumed cannabis in many ways, and is an expert joint roller. Mason is here to bring you the best tutorials for anything Cannabis. Whether you are learning how to roll a joint, or looking for the best bongs, we're here to help. Welcome to Cannabis Tutorials, we hope you have a green day:)

1 Comment

  1. There are two main types of ballasts that suit the needs of indoor cannabis growers. Old-school magnetic ballasts have transformer coils and a capacitor starter in charge to regulate the voltage. They have been around for decades and their main advantage is the low price.