How To Choose The Best Grow Lights For Indoor Growing

Brandon Longo | June 16, 2022

Growing weed indoors needs a lot of care, with particular attention to light and water for your plants. Proper lighting is of paramount importance if you want to grow marijuana inside your home. Growing indoors has several advantages, resulting in indoor-grown weeds having better quality than those grown outdoors. This is a primary reason why marijuana grown indoors is used for recreational and medicinal purposes.

There are different types of grow lights that you can use to nurture your cannabis plants. With the right grow light fixtures, you will be able to improve the THC level of your plants, which enhances the quality of your weed. Growing marijuana indoors also means you get to control the lighting according to your needs instead of just relying on natural light.

 

Why Indoor Growing Is Good For Your Cannabis Plants

Here are some reasons why growing marijuana indoors will benefit your plants.

It Provides Safety For Your Plants

Marijuana exposed to the elements is vulnerable to irregular lighting and pets and other animals. Growing them inside will ensure that your plants are safe from these risks.

It's Cost-Effective

The common misconception is that indoor grow lights are expensive. This is not true because your lighting options can be used for a long-time, which means more savings for you in the future. An LED grow light is a perfect example - you may have to shell out a bit to buy them, but since they are built to last for up to several years, they are cost-effective and will show up in your electricity bill.

It's Consistent

Consistent lighting is essential for the best cannabis plant growth and maximum yields, which is what LED grow lights can help with. The lights can be adjusted accordingly so that all plant parts will receive even amounts of light.

It's Customizable

You can decide how much lighting to give your plants according to the size of your cultivation. You can choose the number of lights and how to position them in your garden to achieve the perfect lighting conditions for your cannabis plants.

Factors To Consider When Buying Grow Lights For Indoor Marijuana Growing

Grow lights are a crucial component of growing marijuana indoors. There are different types of lights for various purposes and capacities. Buying the wrong type of light can hurt the growth of your plants. You have to make the proper calculations first to get the right kind of lighting.

These are the things to keep in mind when looking for grow lights for your indoor marijuana garden.

Color Spectrum

Your cannabis plants will go through different growth stages, and each stage will require different types of lighting. For example, cannabis plants at their vegetative stage will need a blue light spectrum, while those at the flowering stage will need red spectrum lights.

Size of Grow Area and Plants

Lights should be properly distributed in your grow area so that your plants will get equal lighting. This is why the size of your grow area is crucial in knowing the number of cannabis grow lights you will need.

Along with this, you have to arrange your grow room so that each plant will get equal amounts of light and water and ventilation. You have to make sure that you maximize your space and light so they won't go to waste.

Height

The height of your lights will affect the growth of your plants. If you keep your lights too close to your cannabis plants, you risk getting their leaves burned. If the lights are too high for the plants, your plants may get affected by their THC levels.

This is why part of your responsibilities as a grower is to shift your plants and prevent their leaves from burning regularly.

Light Schedule

Your cannabis plants will also need a certain number of hours in the dark. Most growers maintain their plants in complete darkness for around 4 to 6 hours every day. A slight mistake in your lighting schedule can affect the quality of your marijuana, so you have to be careful when adjusting your plants' daily consumption of lights.

Heat

Grow lights, such as MH and HID, give off heat. This is important to note because extra heat can affect the texture and quality of your cannabis plants. You should adjust accordingly if you have humidity and temperature separately.

Types Of Lights Needed For Indoor Marijuana Growing

Thanks to the continuous improvement of technology, there are now numerous options for lighting your indoor marijuana efficiently, with different wattage and wavelengths.

LED Lights

Many growers consider LED grow lights as the best option for cannabis grow lights. While it's true that setting up LED lights can become costly for some, your initial investment will surely pay off in terms of effectiveness. LED grow lights don't emit heat, which will save the quality of your plants. These lights will also reap savings in terms of electricity consumption.

Of course, using LED grow lights has its advantages and drawbacks. You will benefit from LED lighting in terms of efficiency. They also have an integrated cooling system and come in ultra-high power range options. LED lights can also produce more resin heads than other lamps, and they don't always need ballasts.

However, the categories of LED grow lights can get confusing for some, given that there are many of them. You should also maintain that your lights will be kept above your plants. You also have to remember to use energy-saving mode because it can cost a lot if you go without it.

Fluorescent Lights

This is another cheaper option. Fluorescent light costs less to set up and has good canopy coverage. These lights are also known for producing high yields and high-quality buds. But it would be best if you had high ceilings in your grow room to use fluorescent lighting because the bulbs must be kept away from the plants. The bulbs also require considerable maintenance and need ballasts, vents, and reflectors.

HID Lights

High-density discharge or HID lights are considered to be a budget-friendly option. These lights are made up of a hood designed to reflect light from the two nodes of the bulb. HID grow lights are great for those with small grow areas, and they can be positioned close to the plants. Charging these lights is simple and easy, plus the electric consumption is relatively low.

But HID grows lights may not be powerful enough to support all types of plants, and the ability to penetrate a canopy is low. Some also report lower cannabis yield per watt when using HID bulbs.

Costs Of Grow Lights

To get the most out of your grow lights, you have to ensure that you don't waste a single square foot and light. Too much lighting can affect the quality of your cannabis plants, plus it will cause your electric bill to shoot up.

How you use your grow lights will determine your overall costs. And while LED lighting is considered the most efficient, it may not be the right one for your growing area.

Several factors will affect your growth light cost. There's the cost of energy in your area, in which you can use a grow light calculator (you can find these online) to help you get an idea of how much energy will absorb your money.

The growing stages of your plants will also have a say since your cannabis plants will need different types of lighting per stage of growth.

Then, of course, the number of lights you will include in your setup is also a factor. The number of lights you will use will determine the total wattage involved.

You also have to factor in other costs, such as the prices of fans, reflectors, and other necessary tools. Proper ventilation is as important as lighting - installing one or more exhaust fans is necessary to regulate the temperature inside your grow area.

Dealing With Cannabis Light Stress And Burn

We mentioned earlier the need to get just the right amount of light since too much of it can harm your cannabis plants. This is when the subject of cannabis light and stress burn becomes very important.

When your plant gets more light than it needs to grow healthy, then what happens is cannabis light burn. This extreme case of light stress can bleach some parts of your cannabis plants, such as flowers and leaves. This stress can also manifest in other ways, such as dry and brown leaves with a crispy texture.

There are different risks from cannabis light or heat stress depending on the type of light you are using, which determines how much heat your lights will emit. How far you should hang your light fixtures away from your plants will also depend on other factors, including the level of airflow in your grow area and the maturity of your cannabis plants.

The Risks Of Cannabis Light Burn At Different Stages Of Your Plants' Life Cycle

When your cannabis plants experience a light burn, you risk significantly reducing your final yield. They will go through some or all of the following: worsening appearance due to burning, loss of potency, and loss of in-depth and quality terpene profile.

The maturity of your plants will determine the impact of the light burn, but it is the seedlings that will suffer the most since they burn easily, especially under high-power grow lights. Plants in the vegetative stage are the second most vulnerable since they can still get highly damaged by powerful lighting even though they are already self-supporting.

When it comes to plants in the flowering stage, the danger lies in recovery. Since flowering plants will change into their fall colors, it can be easy to miss the impact of light stress on them.

Signs Of Cannabis Light Stress And Light Burn

Watch out for the following symptoms in your marijuana plants:

  • Browning of leaves
  • Bleaching of buds
  • Discoloration of leaves even though the veins are still green
  • Taco-ing, or the leaves curling upwards
  • Irregular growth pattern

How To Avoid Light Stress And Light Burn

Prevention is crucial since no amount of TLC can bring your stressed or burned cannabis plants back to life. Here's how to dispense a safe amount of light for your plants in your grow room.

Invest In A Lux Meter

This is very useful in calculating whether your plants are getting too much or even too little light. Commercial growers should invest in lux meters since they are very particular in bud production.

Position Your Lights Correctly

The right height for your lights is key. The latest growing lamps have high power ratings that can damage your plants. So how do you know if your lights are positioned correctly and ensure that your plants are not getting too much heat? Place the back of your hand near your plant, at canopy level. If it's too hot, lift the lights higher until you get the right temperature.

Super Crop Your Plants

If your plants are growing too large for your grow area, keeping your plants intentionally small is needed to avoid getting too close to the light source. Ideally, you should plan to avoid encountering this problem, but things can happen unexpectedly, and now you have to deal with the lack of vertical space.

Get The Best Deal On Cannabis Grow Lights at Canada Grow Supplies

Get it now, the best growing lights for your cannabis plants. At Canada Grow Supplies, you can be sure that you will get a good deal on cannabis to grow lights in terms of quality and affordability. Our store focuses on quality over quantity, and we are proud to offer products designed by the best professionals in the growing industry.

You can count on our superior customer service, not just on getting the right products for your needs but also on after-sales issues. We don't rest until your concern is resolved to your satisfaction. 

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You can count on our prices to be among the best in the industry. What's more, we also offer free shipping for Canada-wide orders over $199. Visit our online shop and find the best marijuana grow lights for your plants at the lowest prices. Shop now for your growing accessories.