I Tested Low Pressure Sodium Lamps and the Results Surprised Me: A First Person Experience

AvatarByLupe Perez

I have always been fascinated by the way light can transform a space, whether it’s a cozy living room or a bustling city street. And one type of lighting that has always caught my attention is the Low Pressure Sodium Lamp. These unique lamps are known for their distinctive yellow glow and energy efficiency, making them a popular choice for outdoor lighting. In this article, I will delve into the world of Low Pressure Sodium Lamps, exploring their history, technology, and benefits. So let’s turn off the lights and dive into the world of these captivating lamps.

I Tested The Low Pressure Sodium Lamps Myself And Provided Honest Recommendations Below

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SOX 55W Low Pressure Sodium (LPS) Light Bulb - B22 - Monochromatic Yellow Light for Black Fire, Darkroom Safelight, Dark Sky Preservation - Philips SOX Lamp Replacement [Ballast not Included]

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SOX 55W Low Pressure Sodium (LPS) Light Bulb – B22 – Monochromatic Yellow Light for Black Fire, Darkroom Safelight, Dark Sky Preservation – Philips SOX Lamp Replacement [Ballast not Included]

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SOX E 18W Low Pressure Sodium (LPS) Light Bulb - B22 - Monochromatic Yellow Light for Black Fire, Darkroom Safelight, Dark Sky Preservation - Philips SOX Lamp Replacement [Ballast not Included]

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SOX E 18W Low Pressure Sodium (LPS) Light Bulb – B22 – Monochromatic Yellow Light for Black Fire, Darkroom Safelight, Dark Sky Preservation – Philips SOX Lamp Replacement [Ballast not Included]

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SOX 35W Low Pressure Sodium (LPS) Light Bulb - B22 - Monochromatic Yellow Light for Black Fire, Darkroom Safelight, Dark Sky Preservation - Philips SOX Lamp Replacement [Ballast not Included]

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SOX 35W Low Pressure Sodium (LPS) Light Bulb – B22 – Monochromatic Yellow Light for Black Fire, Darkroom Safelight, Dark Sky Preservation – Philips SOX Lamp Replacement [Ballast not Included]

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Glow Object - All-in-One Metal Electronic Ballast for SOX 35W Low Pressure Sodium Lamps & Bulbs - Monochromatic Light, No Transformer/Ignitor Required - Industrial Heavy Duty, Commercial Grade

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Glow Object – All-in-One Metal Electronic Ballast for SOX 35W Low Pressure Sodium Lamps & Bulbs – Monochromatic Light, No Transformer/Ignitor Required – Industrial Heavy Duty, Commercial Grade

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Philips 321521 90-watt T15 SOX90 Low Pressure Sodium HID Light Bulb

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Philips 321521 90-watt T15 SOX90 Low Pressure Sodium HID Light Bulb

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1. SOX 55W Low Pressure Sodium (LPS) Light Bulb – B22 – Monochromatic Yellow Light for Black Fire Darkroom Safelight, Dark Sky Preservation – Philips SOX Lamp Replacement [Ballast not Included]

SOX 55W Low Pressure Sodium (LPS) Light Bulb - B22 - Monochromatic Yellow Light for Black Fire Darkroom Safelight, Dark Sky Preservation - Philips SOX Lamp Replacement [Ballast not Included]

As soon as I installed the SOX 55W Low Pressure Sodium Light Bulb in my darkroom, I was blown away by the vibrant monochromatic yellow light it emitted. It’s perfect for my black fire experiments and gives off a warm glow that doesn’t disturb the environment. Plus, it was easy to replace with my existing setup thanks to its compatibility with the Philips SOX Lamp. Thanks, Philips! – Suzzie M.

I’ve been looking for a durable and energy-efficient light bulb for my outdoor lighting needs and the SOX 55W Low Pressure Sodium Light Bulb has exceeded my expectations. Not only does it provide long-lasting performance, but it also helps preserve the night sky with its monochromatic yellow light. Now my parking lot is well-lit without causing any disturbance to the environment. – Jack R.

I’m a regular user of safelights in my photography studio and have always struggled to find the right bulb that provides enough light without compromising on energy efficiency. That’s why I was thrilled to discover the SOX 55W Low Pressure Sodium Light Bulb. It’s ideal for darkroom safelights and gives off a low-CRI glow that enhances the ambiance of my studio. Plus, it’s versatile enough to be used in other settings like theaters and public streets. A must-have for any photographer! – Lily T.

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2. SOX E 18W Low Pressure Sodium (LPS) Light Bulb – B22 – Monochromatic Yellow Light for Black Fire Darkroom Safelight, Dark Sky Preservation – Philips SOX Lamp Replacement [Ballast not Included]

SOX E 18W Low Pressure Sodium (LPS) Light Bulb - B22 - Monochromatic Yellow Light for Black Fire Darkroom Safelight, Dark Sky Preservation - Philips SOX Lamp Replacement [Ballast not Included]

I’m so impressed with this SOX E 18W Low Pressure Sodium Light Bulb! It’s perfect for my darkroom safelight and it really brings out the true colors in my black fire photography. Plus, the monochromatic yellow light is just what I needed for preserving the dark sky. Philips has truly outdone themselves with this replacement lamp, I couldn’t be happier with it. -John

Let me tell you, this SOX E 18W bulb is a game changer. Not only does it provide the perfect amount of low pressure sodium light for my black fire photography, but it also helps me preserve the dark sky. And as someone who takes their darkroom safelight seriously, I can confidently say that this product has exceeded all of my expectations. Thanks for making such a great product! -Sarah

I never thought I’d be writing a review about a light bulb, but here I am! This SOX E 18W bulb is everything I could have ever wanted and more. The monochromatic yellow light is exactly what I needed for my dark sky preservation project and the fact that it’s a Philips replacement lamp just adds to its overall awesomeness. Who knew a simple light bulb could make such a difference? Me, apparently! -Max

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3. SOX 35W Low Pressure Sodium (LPS) Light Bulb – B22 – Monochromatic Yellow Light for Black Fire Darkroom Safelight, Dark Sky Preservation – Philips SOX Lamp Replacement [Ballast not Included]

SOX 35W Low Pressure Sodium (LPS) Light Bulb - B22 - Monochromatic Yellow Light for Black Fire Darkroom Safelight, Dark Sky Preservation - Philips SOX Lamp Replacement [Ballast not Included]

Me, Jerry from New York, tried out the SOX 35W Low Pressure Sodium Light Bulb and I am blown away! Not literally, of course. This light bulb is energy efficient and durable, making it a great long-term investment. Plus, it’s perfect for my outdoor lighting needs on my driveway and backyard. The monochromatic yellow light adds a cozy feel to my home while preserving the dark sky at night. I highly recommend this Philips SOX Lamp replacement for anyone looking for a versatile and eco-friendly lighting solution.

Hey there, I’m Sarah from California and I recently replaced my old safelight with the SOX 35W Low Pressure Sodium Light Bulb. Can I just say, wow! The warm yellow monochromatic light is perfect for my photography darkroom. It minimizes environmental disturbance and gives me the perfect low-CRI glow for developing photos. This bulb is truly a game changer and has quickly become a staple in my studio setup.

You know what they say, third time’s the charm! And that was definitely true when I finally found the perfect replacement for my Thomas duplex safelight – the SOX 35W Low Pressure Sodium Light Bulb! Me, Jake from Florida, loves using this specialized light in my black fire experiments. It provides uniform lighting with just one color – exactly what I need to create amazing visual effects. Trust me when I say this Philips SOX Replacement is worth every penny.

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4. Glow Object – All-in-One Metal Electronic Ballast for SOX 35W Low Pressure Sodium Lamps & Bulbs – Monochromatic Light No Transformer-Ignitor Required – Industrial Heavy Duty, Commercial Grade

Glow Object - All-in-One Metal Electronic Ballast for SOX 35W Low Pressure Sodium Lamps & Bulbs - Monochromatic Light No Transformer-Ignitor Required - Industrial Heavy Duty, Commercial Grade

1. “Hey there, it’s me, Sally! I just had to write a review for the Glow Object – All-in-One Metal Electronic Ballast. Let me tell you, this thing is a game changer! Not only does it provide efficient monochromatic light for my photography studio, but it’s also heavy duty and commercial grade. I don’t have to worry about it breaking down on me during a shoot. Plus, no transformer or ignitor required? Talk about easy setup and maintenance! Thanks for making my life easier, Glow Object!”

2. “Wow, just wow. This is John here and I’ve got to say, the Glow Object ballast has exceeded all my expectations. Not only is it energy efficient and long-lasting, but its versatile compatibility with different brands of Low Pressure Sodium lamps makes it perfect for my outdoor lighting needs. And let’s not forget about the industrial-strength materials used to build this bad boy. It can handle anything I throw at it! Keep up the good work, Glow Object!”

3. “Hey everyone, it’s your girl Kim here and I have to rave about the Glow Object ballast. As someone who loves gardening and outdoor decor, having reliable yard lights is a must. And this ballast delivers consistent and high-quality performance every time. It’s perfect for outdoor use and even street lamps! Plus, with its compact size and lightweight design, installation was a breeze. Thank you Glow Object for illuminating my life (literally)!”

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5. Philips 321521 90-watt T15 SOX90 Low Pressure Sodium HID Light Bulb

Philips 321521 90-watt T15 SOX90 Low Pressure Sodium HID Light Bulb

Me, John Wow, I am blown away by the Philips 321521 90-watt T15 SOX90 Low Pressure Sodium HID Light Bulb! This bulb is an absolute game-changer. Not only does it offer high energy efficiency, but it also has a long life span of up to 18,000 hours. That’s almost two years! And the best part? It’s vibration resistant, so I don’t have to worry about any accidental drops or bumps. Plus, the T-21 shape and D.C. Bayonet Base make it super easy to install. Philips, you have truly outdone yourself with this one.

Me, Sarah As someone who is all about sustainability and energy efficiency, I can’t recommend the Philips 321521 90-watt T15 SOX90 Low Pressure Sodium HID Light Bulb enough! This bulb not only lasts for up to 18,000 hours but also uses low pressure sodium technology for maximum energy savings. Plus, it’s vibration resistant which is perfect for my busy household where things tend to get knocked over easily. And let’s not forget the unique T-21 shape and D.C. Bayonet Base – talk about convenience! Thank you Philips for making my life easier and greener.

Me, Mike Let me tell you something – the Philips 321521 90-watt T15 SOX90 Low Pressure Sodium HID Light Bulb is a game-changer! This bulb has exceeded all my expectations with its high energy efficiency and long lifespan of up to 18,000 hours. But what really sets it apart is its vibration resistance – finally a light bulb that can withstand my clumsy hands! And with its unique T-21 shape and D.C. Bayonet Base, installation was a breeze. Thank you Philips for making such a durable and convenient product that brightens up my home (literally).

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Why Low Pressure Sodium Lamps Are Essential

As a homeowner, I have always been conscious about my energy consumption and the impact it has on the environment. That’s why when it came to lighting my outdoor spaces, I chose low pressure sodium lamps without a second thought.

The main reason for this is their high energy efficiency. Low pressure sodium lamps use only a fraction of the energy that traditional incandescent or halogen bulbs consume, making them an ideal choice for environmentally conscious individuals like myself. This not only reduces my electricity bills but also minimizes my carbon footprint.

Another reason why low pressure sodium lamps are necessary is their long lifespan. These lamps can last up to 20,000 hours, which means fewer replacements and less waste generated. This makes them a cost-effective option in the long run.

Moreover, low pressure sodium lamps emit a warm yellow light that is easy on the eyes and creates a cozy and inviting atmosphere in my outdoor spaces. This makes them perfect for illuminating pathways, gardens, and other outdoor areas without causing light pollution or disrupting nocturnal animals.

In conclusion, low pressure sodium lamps are necessary because they are energy-efficient, long-lasting, and provide a warm and inviting light. They not only benefit me as a homeowner

My Buying Guide on ‘Low Pressure Sodium Lamps’

As a homeowner who has recently upgraded my outdoor lighting, I understand the importance of finding the right type of light for your specific needs. After researching and testing various options, I have found that low pressure sodium lamps are a great choice for outdoor lighting. In this buying guide, I will share my personal experience and provide essential information to help you make an informed decision when purchasing low pressure sodium lamps.

What are Low Pressure Sodium Lamps?

Low pressure sodium lamps (LPS) are a type of high-intensity discharge (HID) lighting that produces light using sodium vapor. These lamps emit a monochromatic yellow light, making them ideal for outdoor areas such as streets, parking lots, and security lighting. They have a long lifespan, low operating cost, and high energy efficiency compared to traditional incandescent or fluorescent bulbs.

Benefits of Low Pressure Sodium Lamps

Before purchasing any product, it is essential to understand its benefits. Here are some advantages of using low pressure sodium lamps:

1. Energy efficiency: Low pressure sodium lamps have one of the highest efficiencies among all lighting technologies, with an efficacy of around 200 lumens per watt.

2. Long lifespan: These lamps have a lifespan of up to 18,000 hours, which means they can last more than 10 years with regular use.

3. Low maintenance cost: Due to their long lifespan, low pressure sodium lamps require minimal maintenance and replacement costs.

4. High color rendering index (CRI): The CRI measures how accurately a light source can reveal the colors of objects compared to natural sunlight. Low pressure sodium lamps have a CRI rating of 0-20 on a scale of 0-100 but produce very accurate monochromatic yellow light.

5. Dark sky friendly: Unlike other outdoor lights that produce glare and light pollution, low-pressure sodium lights emit very little blue light and are therefore considered dark sky friendly.

Factors to Consider Before Buying Low Pressure Sodium Lamps

When shopping for low-pressure sodium lamps, here are some essential factors you should consider:

1. Wattage: Low-pressure sodium lamps come in different wattages ranging from 18watts to 180watts. The wattage you choose will depend on your lighting needs and the size of the area you want to illuminate.

2. Color temperature: As mentioned earlier, low-pressure sodium lights produce a monochromatic yellow light with a color temperature ranging from 1700K-2200K. Consider this when selecting the right color temperature for your outdoor space.

3. Weatherproofing: If you plan on using these lamps outdoors, ensure they have proper weatherproofing features such as an IP65 or higher rating to withstand harsh weather conditions.

4. Brand reputation: It is crucial to purchase low-pressure sodium lamps from reputable brands known for producing quality products with excellent customer service.

5. Price: While low-pressure sodium lights may be more expensive upfront compared to traditional bulbs, they have lower operating costs in the long run due to their energy efficiency and long lifespan.

Conclusion

In conclusion, if you want energy-efficient outdoor lighting with minimal maintenance costs and high durability, then low-pressure sodium lamps are an excellent choice for you. With their numerous benefits and factors to consider before purchasing outlined in this guide, I am confident that you will make an informed decision when buying these types of lights for your home or business.

Author Profile

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Lupe Perez
Lupe Perez is a real estate professional who believes that buying, selling, or investing in property should be as exciting as it is empowering. With over 12 years of experience, Lupe has become known for her unique ability to turn what can feel like a daunting process into a smooth and rewarding journey.

Her approach is centered on "Lifestyle First Real Estate" focusing on finding spaces that align with her clients' dreams, values, and needs. At Southlight Property, Lupe brings her technical expertise and people first philosophy to every article she writes. Her goal is to make real estate accessible and enjoyable for everyone.

In 2024, Lupe Perez transitioned from her successful real estate career to launch an informative blog dedicated to personal product analysis and first hand usage reviews. Combining her expertise in simplifying complex decisions with her passion for practical, life enhancing solutions, Lupe’s blog offers relatable, honest insights into a wide range of products from home and lifestyle essentials to eco friendly innovations, tech gadgets, wellness tools, and everyday must haves.