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Review: Best LED lights & practices for cannabis plants

What's the best LED light for growing indoor Cannabis indoors?

Welcome to the ultimate guide on finding the best LED light for growing marijuana indoors! Whether you're a seasoned grower or just starting out, choosing the right LED can make all the difference in achieving a successful harvest. With so many options available on the market, it can be overwhelming to find the perfect fit for your needs and budget. But fear not, we've got you covered! In this comprehensive guide, we'll explore everything you need to know about LEDs - from their different types and pros/cons to what features to look for when buying one. So sit back, relax, and get ready to learn how an LED can transform your indoor cannabis garden!

The Different Types of LEDs

When it comes to choosing an LED light for growing marijuana indoors, it's important to understand the different types available. The two main categories are white and purple LEDs.

best LED grow lights spectrums for cannabis plants

White LEDs use a broad spectrum of light that mimics natural sunlight, making them a popular choice for indoor gardening. They're also energy-efficient and produce less heat than other lighting options.

Purple LEDs, on the other hand, have a narrower spectrum of light focused on red and blue wavelengths that plants need most during their growth cycle. While they can be more expensive than white LEDs upfront, they tend to produce better yields in terms of both quality and quantity.

It's worth noting that some manufacturers offer hybrid LED lights that combine the benefits of both white and purple spectrums. These lights may cost more but could potentially provide even greater results.

Ultimately, choosing between white or purple (or hybrid) LED depends on your personal preferences, budget, and specific needs for your cannabis garden.

Pros and Cons of LEDs for Indoor Cannabis Grows

LEDs are becoming more popular for indoor marijuana growing, but like any lighting setup used to grow cannabis indoors, they have their pros and cons.


One of the biggest advantages of LEDs is that they use much less electricity than traditional grow lights. They also produce little heat, which means you don't need to worry about ventilation as much as with other types of lights. This can save on energy bills and help control temperature in your grow room.

Another benefit of LED lights is that they are very versatile. You can adjust the light spectrum to target different growth stages or optimize plant growth. This flexibility makes it easier to customize your setup for optimal results.


Although LEDs have come a long way in recent years, some growers still prefer HPS or MH bulbs because they produce higher yields per watt. LEDs tend to be more expensive upfront compared to other lighting options too.

One drawback unique to LED lights is the potential for "hot spots" if not positioned correctly over plants. This uneven coverage could lead to inconsistent growth rates and development issues if not corrected promptly.

While there are some drawbacks associated with using LED lights when growing marijuana indoors, the benefits often outweigh them - especially for smaller scale operations looking for an efficient solution!

What to Look for When Buying an LED lighting setup to grow weed inside?

When it comes to buying an LED light for growing marijuana indoors, there are a few important factors to consider. Here are some things you should look out for:

Firstly, pay attention to the wattage of the LED. Generally speaking, you'll want around 50 watts per square foot of grow space.

Next, consider the type of LED chips that come with the light. The two most common types are white and purple LEDs. White LEDs tend to be more versatile and offer a wider range of spectrum options, while purple LEDs emit specific spectrums that can be beneficial during certain stages of growth.

You'll also want to check out the PAR (Photosynthetically Active Radiation) output of the LED. This will determine how much usable light energy is being produced by the fixture.

Another key factor is heat management - make sure that your chosen LED has adequate cooling mechanisms in place so that it doesn't overheat your grow room.

Don't forget about cost! While it's important not to skimp on quality when it comes to something as crucial as lighting for marijuana plants, there are plenty of affordable options on the market if you do your research carefully.

The Best LEDs on the Market for Indoor Cannabis Cultivators

The LED market is crowded with a variety of options for growing marijuana indoors. However, not all LEDs are created equal in terms of quality and efficiency. Here are some of the top-performing LEDs on the market:

(1) Viparspectra 600W LED grow light 

Why the Viparspectra 600W LED? It is a popular choice among growers due to its affordability and high PAR output. Moreover, it features two cooling fans that help maintain optimal temperatures while providing maximum coverage.

(2) Advanced Platinum Series P300 LED grow light 

boasting an impressive spectrum range and energy-efficient performance, the Advanced Platinum Series P300's full-spectrum lighting system covers all stages of plant growth and reduces electricity costs by up to 50%.

(3) Spider Farmer SF-4000 LED grow light

 Another indoor cannabis cultivator favorite when it comes to LED grow lights is the Spider Farmer SF-4000 LED.  It also offers impressive efficiency with low heat production and power consumption. It has a wide coverage area suitable for larger indoor gardens.

(4) Mars Hydro TSW2000 LED grow light 

delivers superior results with its white-light technology that mimics natural sunlight. It provides even brightness across multiple plants without producing excessive heat.

These LEDs offer excellent performance at different price points depending on your budget and needs as a grower.

How to Use an LED to Grow Marijuana

When it comes to using LED lights for growing marijuana, there are a few key things to keep in mind. First and foremost, you'll want to make sure that your LED light is capable of providing enough light to cover the entire area where your grow area and weed plants are located.

To achieve this, you can either choose an LED with a greater wattage or simply position multiple LEDs throughout your grow space. Additionally, it's important to consider the color spectrum of your chosen LED as different wavelengths will impact plant growth differently.

Once you have selected and positioned your LED properly, it's crucial that you monitor everything from temperature and humidity levels to nutrient intake. These factors all play a significant role in determining the success of your grow operation.

Don't be afraid to experiment and adjust settings as needed throughout the process. Growing marijuana with an LED light requires some trial and error but with time and patience, you'll find what works best for your specific setup.

Tips for Growing Marijuana Indoors with an LED

Here's some useful advice to help you grow marijuana indoors with an LED light:

  1. Choose the right strain: Some strains of marijuana grow better indoors than others. Make sure you choose a strain that is suited for indoor growing.
  2. Use high-quality soil: Soil quality plays a big role in the growth of your marijuana plants. Invest in good quality soil and make sure it has all the necessary nutrients.
  3. Control humidity levels: Marijuana plants thrive in a humid environment, but too much humidity can lead to mold and mildew growth. Keep humidity levels between 40% and 60%.
  4. Maintain proper temperature: The ideal temperature range for growing marijuana is between 70°F and 80°F during the day, and between 60°F and 70°F at night.
  5. Give your plant enough space: Marijuana plants need room to grow, so make sure they have enough space to spread out their roots.
  6. Provide adequate lighting: LED lights provide excellent lighting for indoor growing, but make sure you use the right intensity level for each stage of plant growth.

By following these tips, you can ensure that your indoor-grown marijuana plants thrive under an LED light!

Summing it up...

To sum it all up, LED lights are the best option for growing marijuana indoors. They provide a spectrum of light that is perfect for cannabis growth and can be customized to fit your specific needs. When choosing an LED light, it's important to consider the wattage, coverage area, and brand reputation.

Some of the top brands on the market today include Viparspectra, Mars Hydro, and Spider Farmer. These brands offer high-quality LEDs with great features such as dimming switches and full-spectrum lighting.

Using an LED to grow your own marijuana can be a rewarding experience. With proper care and attention to detail, you can produce high-quality buds that will rival those found in most marijuana dispensaries.

Remember to keep your plants well-fed with nutrients and water while monitoring temperature and humidity levels closely. By following these tips and selecting one of the best LEDs on the market today, you'll be well on your way to growing some amazing marijuana right in the comfort of your own home!

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