Building a DIY Philips LED Grow Light: A Step-by-Step Guide

Embarking upon an intriguing journey into the world of do-it-yourself projects, we take you step by step through assembling an efficient LED grow light system. Leveraging six robust Philips 13W 1,521 lumen 2700K light bulbs, readily available at your local store that caters to DIY enthusiasts, this system illustrates the practical use of such fixtures to cultivate plants efficiently and effectively. This setup, consuming a mere 80 watts, boasts impressive performance, delivering an average of 400µmols/m²/sec over a 60cm x 60cm grow area—an efficiency rate of 1.79 µmols/joule. A perfect choice to facilitate full growth cycles from seedling to harvest, the innovative assembly ventures beyond merely being a captivating showpiece, instilling in you the confidence to take on similar hands-on initiatives.

Demonstrating seamless integration of theory and practice, the build primarily draws upon a 2ft x 2ft piece of plywood, six lamp holders and wiring. Vital to this project, affixing the Philips light bulbs to the board necessitates the use of lamp holders. They are interconnected with wiring and secured firmly with screws to create a stable and practical lighting system for plant growth. As we chart this electrifying journey, a gentle reminder for novices dealing with electricity—you don’t have to hesitate to seek expert advice if you’re unsure. Embrace the process, but above all, remember that safety always comes first in any DIY project.

Building a DIY Philips LED Grow Light: A Step-by-Step Guide

As passionate DIYers and home-growers, we’re always looking for ways to optimize our indoor gardening. A vital aspect of this is lighting, and LED grow lights are the perfect option for energy-efficient, effective lighting. Today, we will guide you on how to create your own Philips LED grow light, ensuring maximum efficiency for your indoor plants throughout the year.

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Materials and Tools

To start our journey towards constructing an efficient LED growing light ultimately giving sunlight a run for its money, we need the right tools and materials.

Our fixture of choice here is the Philips 13W 1521 lumen 2700K light fixtures. They are ready down the aisle of your local DIY shop waiting to illuminate your next indoor garden. These prolific lights provide the perfect spectrum for full cycle growing, from seed to harvest.

The backbone for our growing light structure will be a 2ft x 2ft (60cm x 60cm) piece of plywood, strong and sturdy to hold our lights. Six lamp holders will hold our Philips fixtures while the wiring will bind the system into an efficient entity.

Screws keep everything in place, and then there is an optional use of acrylic or resin. These are for sealing, providing an extra layer of protection. You might consider a few additional bulbs, but we’ll get to that later.

Preparing the Plywood Board

The first step is to prepare the plywood. We start by carefully measuring and cutting the plywood to a 2ft x 2ft (60cm x 60cm) size. This gives us the right amount of surface area to facilitate our Philips light fixtures.

Attention to detail is vital, and the edges of the plywood are no exception. We want to ensure safety and aesthetics, so we meticulously sand the edges, achieving a smooth finish.

Building a DIY Philips LED Grow Light: A Step-by-Step Guide

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Attaching the Lamp Holders

Next, we are ready with our lamp holders. First, we mark the positions for the lamp holders on the plywood, ensuring equal spacing for optimal light coverage.

Our trusty drill comes into action as we create holes where the lamp holders will securely nest. With the perfect locations marked and drilled, we carefully screw the lamp holders into place.

Wiring the Philips Light Bulbs

The time has come to bring our Philips light bulbs onto the stage. We start by connecting the wiring to each lamp holder, creating a network through which the electrical current will flow.

Once the wiring is secured, we attach the Philips light bulbs to the lamp holders. The fit is perfect; our brightness soldiers are ready for action.

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Building a DIY Philips LED Grow Light: A Step-by-Step Guide

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Securing the Components

Glancing at our completed structure, we double-check to ensure all connections are secure. There is no room for uncertainty when electricity is at play.

Using screws, we reinforce the wiring and lamp holders to the plywood, guaranteeing their firm attachment. There’s also an option to seal the components with acrylic or resin at this point. It might seem like an extra step, but this tends to increase the durability and safety of the structure.

Performance Testing

With our structure complete, it’s time to put our creation to the test. First, we measure power consumption using a watt meter. This helps us identify the energy efficiency of our setup.

Following this, we measure the light output using a light meter. We are curious to see if our DIY Philips LED grow light can produce an adequate amount of light necessary for our indoor plants. With all the results recorded, we proceed towards the next stage.

Building a DIY Philips LED Grow Light: A Step-by-Step Guide

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Increasing Efficiency by Removing Diffusion Covers

Next, we attempt to increase efficiency by removing the diffusion covers from the Philips light bulbs. This decision enhances the raw light output, potentially leading to better plant growth.

With the diffusion covers removed, we repeat the performance testing process. It’s time for comparison. Do we notice a significant difference?

Adding More Bulbs for Increased Light Intensity

On observing our light boards, it is evident that there is space for more. And with each additional bulb, we increase the light intensity, which could lead to enhanced plant growth.

However, this adjustment takes careful calibration, factoring in the additional power consumption and predicted light output. Consequently, we repeat the performance testing process once more to judge the variation in results.

Building a DIY Philips LED Grow Light: A Step-by-Step Guide

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Ensuring Safety Precautions

With all the wiring and LED exposure, it is crucial to be safe. Although the low voltage minimizes the risk, it’s still wise to take precautions. Casing the wiring and LED components in acrylic or resin can offer an added layer of safety.

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Considerations for Power Factor

An aspect that might slightly dampen our spirits is the power factor. Our DIY grow light has a power factor of 0.57, indicating it doesn’t sync well with the electricity supply. However, this seldom poses a problem for domestic users.

Building a DIY Philips LED Grow Light: A Step-by-Step Guide


We have traversed the inspiring journey of building a DIY Philips LED grow light—a simple, cost-effective, and efficient solution for indoor plant growth.

Our journey brought to light the performance capabilities of a DIY Philips light setup. We hope this guide helps ignite your creativity and innovation towards providing optimal light conditions for your indoor crops.

Lastly, always remember to seek advice and exercise caution when working with electricity, even in DIY projects. Fantastic creations are a result of safety and creativity working together. Let’s happily and safely grow our indoor plants!

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We’ll guide you through making your LED grow light from fixtures available at local DIY stores. We used 6 x Philips 13W 1521 lumen 2700K.

Our light consumed a total of 80 watts, delivering an average PAR of

400µmols/m²/sec over a 60cm x 60cm/2ft x 2ft grow area. This represents an efficiency of 1.79 µmols/joule, demonstrating the effectiveness of this DIY build.

The light spectrum is suitable for full cycle growing, from seed to harvest.

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