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Our Top 3 Picks from Sun System Grow Lights

HSP 150 Watt Complete Lamp System - Grow Lights

HPS 150 Watt Complete System Grow Lights

When you’re into small scale gardening with limited space, lights that are built in horizontally to the ballast can be a perfect solution. These units use powerful, compact bulbs and hang up nicely on hooks to get them out of the way. For 1-3 plant grows, this is your lighting!

The Flower Power 315 w. Grow Light

Flower Power 315 Watt Grow Light

This product is great for all growers who care about their plants and have a small space to grow them. It’s perfect for spaces such as tents, greenhouses, etc., and it also has the versatility of being able to switch between 120 and 240 voltage input depending on how much energy you need.

The LEC 315 w. Grow Light - complete tent kits by Sun System

LEC 315 Watt 4200K Lamp and Ballast

For professional growers…Sun System LEC 315 is the world’s most energy-efficient and full-spectrum agricultural grow lamp. Out performs other lamps by boosting UV & Far Red spectrum to create a brighter and more colorful light that increases growth power!


Sun System HPS Lights are the perfect solution for anyone who is looking to start propagating plants. These bulbs come in a variety of sizes and can be used in any type of growing environment. They are also available at an extremely cost effective price, so you won’t have to worry about having to buy expensive propagation bulbs in the future!

Today, we’re going to take a look at the following products from Sun System:

A collage of sun system grow lighting equipment for our review of their product.

About Sun Systems – Commercial Grow Lights, Controllers and Accessories

Sun System has been in the business of pushing the boundaries of what you can grow indoors for over 25 years.  They are a global market leader in HID lighting and have been hard at work turning more traditional indoor growing methods into a sophisticated science.

With their high-intensity discharge lights that provide optimal light for plants, while providing easy installation options without compromising on quality or consistency. They offer an impressive line of products for both large and small indoor growing operations. They also provide ballasts, reflectors and fixtures, florescent kits and many accessories you can buy online.

The Sun System HPS bulbs are an excellent choice for plant propagation. They come in a variety of sizes and create high quality, vigorous growth. We’ll get started by taking a look at the 150 watt offering from Sun System.

Available Products by Sun System


The 150 watt HPS Plug and Play Grow Lamp

The Sun System 150 watt HPS bulb can propagate plants in a 2 sq ft area and is ideal for small growing spaces. The reflector eliminates the need for an external ballast, so you can plug in and use these horizontal lamps right out of the box. This unit is ideal for small growing areas. This product comes with a 7 ft grounded 120 volt power cord.

At the time of writing, this product has a solid 4.5 star rating on Amazon out of 605 customer reviews. A truly plug and play option that’s great for those just getting into indoor growing, the Sun System 150 watt complete system simulates natural sunlight with a 16,000 lumen bulb.

Grow light kit in green cardboard box.
View product page.


This lightweight complete grow light kit is perfect for greenhouse or hydroponic growing and can be used for a variety of herbs, veggies, or ornamental plants.


  • Simple all-in-one kit
  • Low price point 
  • Durable construction and metal hangers
  • Two year warranty on fixture and 1 year on included lamp


  • May require additional lighting, depending on your setup
  • Step up to the 315 listed below if you need to cover more than a 2 x 2 area.

The Flower Power 315 Watt Grow Light Fixture

Next on our list is the aptly named Flower Power 315 watt grow light. This is a fixture only and you’ll need either a LEC or Ceramic Metal Halide (CMH) bulb.  This unit is ideal for propagating plants in a larger area. It features a highly efficient design which offers flexibility and durability, as well as the option to use a variety of bulbs! It’s recommended though that you pair this fixture with an agriculturally engineered CDM-T 315 watt lamp.

The fixture has a 95% reflective textured aluminum insert for excellent output, uniformity and diffusion. This compact unit with low profile making it great for small spaces such as tents as well larger growing areas. The dual power inputs easily switch voltage from 120 to 240-volt power which is hardwired into the machine, so there’s no need to worry about plugging in an adapter or buying new equipment when you move locations!

the 315 w. 'Flower Power' grow light
View grow light on Amazon


Made of aluminum and ceramic construction, the fixture can be purchased alone or bundled with a 3100K lamp.


  • Switches from 120 to 240 power inputs
  • Highly efficient 60 Hz low frequency operation
  • Suitable for open rated fixture use 


  • At the time of writing, I can’t find the warranty info?
  • If you want to daisy chain lights, you’ll need to read about the next product on our list

The LEC 315 Watt Grow Light

The popular Sun System LEC 315 harnesses cutting edge Light Emitting Ceramic technology. This professional growing fixture has a 98% reflective German aluminum insert and 95% reflective textured corners for excellent output, uniformity and diffusion.

This professional growing fixture is a great choice for both hobbyists or large scale operations that require very high intensity lighting because you have the ability to connect up to 3 units in a 120 volt system. Growers on a 240 volt power supply can pair up to 5 of the LEC 314 units together. What’s more? The LEC 315 comes at an unbeatable price!

This commercial grade grow light has been designed from start to finish by the professionals at Sun System to provide peak performance for indoor plants.

LEC 315 Grow Light
View and select light bulbs on Amazon


Higher amounts of beneficial UV and far red spectrum lighting increase the lamps growth power to the plants.


  • 98% reflective German aluminum hood provides higher efficiencies
  • 3100K lamp included
  • Should cover a 4 x 4 area just fine!


  • This one’s getting into the commercial price ranges and is more suited for professional growers
  • Only 41 reviews at the time of writing (averaging a rating of 4.5 though!)

The LEC 630 Watt Grow Light

Stepping up to a 630 watt system can allow for even better output thanks to the dual horizontal lamps that come with the LEC 630. Many serious hobbyist growers pair this kit with the Vivosun Mylar Hydroponic Grow Tent available on Amazon to create a 48″x48″x80″ growing environment.

LEC 630 Grow Lights - Double Ended with light bulbs.
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Comes with two 3100K lamps. The 630 watt kit by Sun System is built for professional hydroponic and greenhouse use.


  • 20,000 hour lamps included
  • Suitable for open fixture use


  • None noted! (Other than the high price, which may be too steep for home growers)

The Sun System Hardcore 1,000 Watt Switchable Ballast – Supplies Single Ended or Double Ended Reflectors

Last on our list is this beast of a switchable ballast that offers superior cooling in a compact design. Living up to its namesake, the Sun System Hardcore 1,000 watt ballast is a rugged power supply that offers a 2-year warranty from Sun Systems. It’s compatible with all the Sun Systems brand reflectors. It consumes 9.1 amps at 120 VAC and 4.5 amps in the 220-240 VAC configuration.

1000 w. ballast for commercial applications
View rating on Amazon


Great for supplying commercial system grow lights with consistently regulated power, this 1000 watt supply pairs perfectly with the HGC904904 air-cooled reflector or the HGC904425 single ended cooled MH/HPS reflector. By having an independent power supply and air cooled reflectors, this kit allows you to better control temperatures in a larger grow tent by using a high CFM fan and air ducting.


  • Works with any MH, CMH or HPS lighting up to 1,000 watts
  • Superior cooling capabilities
  • High-quality German built capacitor


  • Requires you purchase reflectors and bulbs separately
  • Takes up more space than the smaller grow tent kits listed above

What’s the The Take-Away on Sun System Bulbs, Ballasts and Fixtures?

Brand logo

Overall we’re extremely impressed with the offerings from Sun System.  If you’re looking for HID bulbs and fixtures, Sun System is the way to go. Remember that these are great plant propagating bulbs as well as high yield horticultural grade lamps that are capable of taking your crop through the entire growing cycle. With 25 years of experience, you can trust the many products and accessories available from Sun System Grow Lights.


One of the main reasons we like their light fixtures is the housing reflectivity. This brand is a powerhouse when it comes to efficiency and incorporating new technologies to increase functionality while still controlling heat. Check out this video to learn more:

Don’t forget to check out the Sun System HPS Bulbs online by visiting their website, and also be sure to check out the rest of our content on indoor growing so you can increase yields and produce more consistent results.

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Blake’s been managing this website since 2016. He provides editorial review of all our content, publishes our newsletter and is the person to reach out to for advertising opportunities. Info@fertilizerforless.com