Buying a best 400w hps grow seems like an easy job, but not everytime. There are hundreds of 400w hps grow available on the market from various producers, which is enough to confuse you. According to the performance, quality, longevity and overall user experience, they are so similar that you may get hard to make your final buying decision. At that point, all you need is a thorough shopping guide to help you get the ideal best 400w hps grow for your needs.

In this article, we will go over a few important points to consider about before buying a 400w hps grow. It’s a proper review guideline for you that will include the advantages and disadvantages of your preferred product, as well as its sustainability, affordability, functionalities, and practical benefits. There will be one more thing, which is a thorough comparison of a few related products. As a result, you’ll be able to quickly select the best option for your needs. Let’s take a look inside.
Top 10 Best400w hps grow Reviews
We tried to find the top ten best 400w hps grow from thousands of different products in this section. This list will make a great impression that you’ll be able to easily find your desired 400w hps grow in a couple of moments. We concentrated on their use, performance, durability, design, pricing, and former user experiences. We can assure, this top 10 best 400w hps grow list will assist you to choose the exact one which meets your requirements.
At a Glance
![]() | iPower 400W CCT 2100K Pressure Sodium HPS Grow Light Bulb Lamp with High PAR Enhanced Red and Orange Spectrums for Plants Growth, Transparent | Buy Now |
![]() | HTG Supply eGrow 400w HPS Grow Light Kit | Complete Digital Ballast, HPS Bulb, and Fixture System | Buy Now |
![]() | iPower GLSETX400DHMWING20 Horticulture 400 Watt HPS MH Digital Dimmable Ballast Grow Light System Kits Wing Reflector Hood Set, 400W | Buy Now |
![]() | iPower GLBULBM400 400W Grow Light Bulb Metal Halide MH Conversion Lamp for Plants with High PAR Enhanced Blue and Violet Spectrums CCT 6000K | Buy Now |
![]() | iPower GLBULBH400X2 400 Watt High Pressure Sodium Super Grow Light Lamp Full Spectrum HPS Bulb for Plants, 400W, white | Buy Now |
![]() | PROTOPIA HPS Grow Light Bulb Lights HPS400WT46 400 Watt High Pressure Sodium Growing Lights 2000K, 56000Lumens, High PAR Enhanced Red and Orange Spectrumsfor Indoor Plants, a Classic Choice.1-Pack | Buy Now |
![]() | Hydro Crunch ND911009200 400-Watt High Pressure Sodium HPS Grow Light Bulb Lamp, 400W, Clear | Buy Now |
![]() | Eye Hortilux HX66620 Hortilux Super HPS (High Pressure Sodium) Enhanced Spectrum Lamp, 400W, 400-Watt, Natural | Buy Now |
![]() | HONGVILLE HPS High Pressure Sodium Grow Light Bulb for Plant Growth, 400 W | Buy Now |
![]() | YOOLUX 400W HPS Bulb (HIGH Pressure Sodium) for Indoor Plant,High PAR Promote Red and Orange Spectrums Flower Bulbs CCT 2100K, Supper Bright 56,000 Lumens. Grow Light Bulb Lamp(1-Pack) | Buy Now |
iPower 400W CCT 2100K Pressure Sodium HPS Grow Light Bulb Lamp with High PAR Enhanced Red and Orange Spectrums for Plants Growth, Transparent

- Special designed: designed specifically for professional hydroponic plant cultivation. CCT 2,100K, optimized red & orange spectrum and high PAR (photosynthetic active radiation) to stimulate flower growth and enhance fruiting
- High lumen output: 400 watt, 55,000 lumens output, compatible with electronic and magnetic ballast, E39 base
- Extra-low lumen depreciation: maintaining over 90% of initial lumen output after running for 6,500 hours
- Exceptional bulb life: 32,000 hours. New long lasting life with a high lumen output and high power efficiency
- Note: allow 3-5 minutes for full bright. Please wait at least 5 minutes after power shut off before striking again
- Power source type: Corded Electric
HTG Supply eGrow 400w HPS Grow Light Kit | Complete Digital Ballast, HPS Bulb, and Fixture System

- Electrical: 400 watts, approx. 3.33 amps @ 120v | System Includes: 400w eGrow Digital ballast, 400w Horticultural-Grade HPS Bulb, Ultra Reflective 4-Sided Hood, 15′ Remote Socket Set, 8′ Grounded Power Cord, Hi-Low Reflector Hangers, and 120v Single Outlet Timer
- High frequency digital ballst provides more lumens than magnetic ballasts for improved yields | Soft start ignition improves power efficiency by 15% or more over magnetic
- 400-watt high pressure sodium (HPS) bulb provides enhanced horticultural spectrum & 55,000 lumen output
- Suggested garden coverage area: up to 4′ x 4′
- Ballast measures: 8.625″ x 4″ x 2.75″ ; Reflector measures: 16″ long x 13″ wide x 6″ deep – hanger attachment hardware included
iPower GLSETX400DHMWING20 Horticulture 400 Watt HPS MH Digital Dimmable Ballast Grow Light System Kits Wing Reflector Hood Set, 400W

- 400W Digital Dimmable Electronic Ballast: Support 120V/240V Input; Dimmable Options: 50%, 75%, 100%; 8 Feet heavy-duty power cord included; Stable power output ensure flicker free light
- 1 x 400W Super HPS bulb 2100K; 1 x 400W MH bulb 6000K; optimized Spectrum and high PAR (photosynthetic active radiation) to promote healthy plant growth and soonest flourish
- 1 x pair of 8-ft adjustable ratchet clip hanger rope: hold up to 150 lbs
- 19-inch Wing Reflector: up to 4′ x 4′ light coverage; Built-in 15 feet heavy duty lamp cord with E39 Ceramic Mogul Socket and standard Hydroponic S-Plug; highly 95% reflective textured German aluminum maximizes the light reflected to the plants
- This system will generate too much heat to be used in an enclosed area without ventilation. Adequate ventilation is required for all iPower grow light systems. We recommend the use of an iPower inline fan
iPower GLBULBM400 400W Grow Light Bulb Metal Halide MH Conversion Lamp for Plants with High PAR Enhanced Blue and Violet Spectrums CCT 6000K

- High lumen output: 400-watt, 36,000 lumens output, compatible with electronic and magnetic ballast, E39 base
- Special designed for plant growth: CCT 6,000K, enhanced blue & violet spectrum and high PAR (photosynthetic active radiation) to stimulate vegetative growth. Ideal for rapid growth phase of plants. Greatly accelerates flower growth and enhance fruiting
- Extra-low lumen depreciation: maintaining over 90% of initial lumen output after running for 5,000 hours
- Exceptional bulb life: 12,000 hours. New long lasting life with a high lumen output and low energy consumption
- Note: allow 3-5 minutes for full bright. Please wait at least 5 minutes after power shut off before striking again
- Power source type: Corded Electric
iPower GLBULBH400X2 400 Watt High Pressure Sodium Super Grow Light Lamp Full Spectrum HPS Bulb for Plants, 400W, white

- High lumen output: 400w, 55,000 lumens output, compatible with electronic and magnetic ballast, E39 base
- Special designed for plant growth: designed specifically for professional hydroponic plant cultivation. CCT 2,100K, optimized red & orange spectrum and high PAR (photosynthetic active radiation) to stimulate flower growth and enhance fruiting
- Extra-low lumen depreciation: maintaining over 90% of initial lumen output after running for 6,500 hours
- Exceptional bulb life: 32,000 hours. New long lasting life with a high lumen output and high power efficiency
- Note: allow 3-5 minutes for full bright. Please wait at least 5 minutes after power shut off before striking again
PROTOPIA HPS Grow Light Bulb Lights HPS400WT46 400 Watt High Pressure Sodium Growing Lights 2000K, 56000Lumens, High PAR Enhanced Red and Orange Spectrumsfor Indoor Plants, a Classic Choice.1-Pack

- MORE NATURE GROWTH with enhanced green and blue light
- ULTRA HIGH OUTPUT:700μmol/s to achieve maximum vegetative growth
- PEAKS IN THE FAR-RED RANGE to stimulate metabolic activity in flowering.
- Color Temp: 2000K, Luminous Flux (LM): 56000, CRI:25, Base: E39,LONG LIFETIME: 24000hours lifespan with 1 year warranty
- Allow 3-5 mins for full bright, wait at least 5 min after power shut off before striking again
Hydro Crunch ND911009200 400-Watt High Pressure Sodium HPS Grow Light Bulb Lamp, 400W, Clear

- Hydro Crunch 400W High Pressure Sodium HPS Bulb
- Lumen: 53,500 lumen
- Lamp compatibility: operates on 400W Digital or 400W Magnetic Ballast
- Color temperature: 2,100K
- Use: Flowering & Fruiting
Eye Hortilux HX66620 Hortilux Super HPS (High Pressure Sodium) Enhanced Spectrum Lamp, 400W, 400-Watt, Natural

- Spectrum bulb
- Raises your lighting system to a new level of performance
- Lead free
- Item Weight: 0.34 lbs
HONGVILLE HPS High Pressure Sodium Grow Light Bulb for Plant Growth, 400 W

- Great for growing a garden indoors, you’ll need extra lighting in order to produce healthy and dense vegetation
- Hps (high pressure sodium) grow lights emit a strong, warm white light that helps to stimulate plant and flower growth
- Hps grow lights tend to be much more efficient than other alternatives and have a longer life span, saving you money on energy bills and replacements
- High pressure sodium light helps stimulate flower and fruit production in plants more efficiently
- It is best to use hps grow lights for the fruiting and flowering phase of plant growth or in a 4:1 ratio of hps to MH for best results
YOOLUX 400W HPS Bulb (HIGH Pressure Sodium) for Indoor Plant,High PAR Promote Red and Orange Spectrums Flower Bulbs CCT 2100K, Supper Bright 56,000 Lumens. Grow Light Bulb Lamp(1-Pack)

- Efficient Flower Bulbs:Good Spectrum High PAR Efficiency Compared To Fluorescent Lights For Flowering And Fruiting.
- Affordable And Reliable:Industry leading lumen maintenance of 95% after running for 10,000hrs.
- High Lumen Output: Best suitable for big blooms and growing flowers.MIdinum Output For Home Hydroponics Growing System.
- HIGH QUALITY: It is nitrogen-filled with a quartz glass outer jacket for perfect optical quality.
- Affordable And Reliable: “CUSTOMER FIRST” is our goal, Our YOOLUX support team 24/7 stands by to Solve customer product usage problems.
The Best 400w hps grow Buying Guides
It is impossible to know everything about everything as a human being. You can not be a master in all trade. In that case, reading a thorough buying guide can prevent us from making a costly mistake after purchasing a 400w hps grow due to a lack of knowledge.
You should not have to be a master on that single product to buy it. Just concentrate on a few key points that will be discussed further down. Taking into account those minor details may make your buying experience more pleasant and straightforward. Let’s begin.
Know what you require.
The first step is to determine your needs or requirements. If you are not well aware of your needs, there is a good chance that you will purchase the wrong products at the wrong time with an investing heavily. So, first and foremost, we advise you to consider carefully your requirements for a 400w hps grow. Just create a simple list about key needs. This simple task will lead you to make your buying process easier. Because then you’ll know what you should prioritize and what you shouldn’t.
Budget vs Pricing
Before you go for buying anything, one thing you must think about is budget. Any amount of price can be set for your desired product. That depends on raw materials, manufacturing, transportation, and other operational costs, and most importantly on their brand value as well. The higher quality you want from your product, the higher amount of bucks you may need to cost for that. It’s vice versa. This fact is true for the 400w hps grow as well.
There is a popular proverb in our society, “Cut your coat, according to your cloth”. Fristly, take your wishlist on your hand and search those products on the internet. Check the features and costs carefully.Make a proper comparison among them through your observation and select one that you want. Now, ask yourself whether your pocket is capable enough to spend such number of bucks or not for that particular 400w hps grow? Without any hesitation, go for it if the answer is yes. But if not, then remember, you always have the second best option to choose yet.
Select the Correct Brand
Most of the time, we get biased to some specific brands because of our emotional attachments. This practice yields positive results at times and negative results at other times. However, there’s no denying that depending on well-known brands is a good idea. Because having enough cash in your pocket makes making decisions half as easy. But keep in mind that not all brands are suitable for all applications. So you have to be very carefull when you are choosing any product if it is the right product from right brand.
People are divided into two groups. One is fully reliant on a single brand, while the other seems unconcerned. All he needs is the right product for the amount he is paying. As we don’t have any idea about your typo.But there are few tips which may come adjuvant for both of you at the time of choosing the right brand for the right product.
- Make sure in this case that you are well-versed in the brand.
- What people are saying about this brand.
- Analysis the reviews of any specific products of that brand.
- Compare the characteristics to those offered by competitors.
- Does these features meet your necessities?
Analyze the Features Section.
The very first duty of you is to check the features of a 400w hps grow at the time of buying it. By doing so, you will surely get a clear idea about the product. That product is capable to meet your demands or not will be easily understood by you then.
The features part also helps us in analysis the differences between ourselves and others. Then, using the features, you can compare it to similar products. Through this task, one will get a little idea about quality also and make it easier to go ahead toward making our final verdict as well. One will gain a better understanding of quality as a result of this work, which will make it easier for us to reach a final decision. One will have a better understanding of quality as a result of this work, making it easier to move forward with our final decision. One will develop a greater understanding of quality in terms of this task, which also will make it easier for anyone to reach the final decision. One will gain a better understanding of quality as a result of this task, making it easier to reach our final decision. By doing this simple task, you may get idea about the quality which will make it easier to take the final decision. Your decision making will be far easier when you will do this simple task because of getting idea about the quality after doing so. If you do so, it will be much easier to reach to the final decision because you will be able to understand about the quality here.
The Benefits and Drawbacks must be considered.
Each product has benefits and drawbacks. Checking out carefully is our responsibility before we buy them. So, now all you have to do is finding out all the deficiencies that you might expect from that 400w hps grow. Perhaps another company made the ideal one for you. Just don’t be too lazy to compare yourself to them before making a final decision.
The section of Pros and Cons can be found on the majority of websites. Take your time reading that part. If you have any further questions, simply contact them via email or phone to seek their assistance.
Quality and Endurance
Color, Style, Performance, Materials, and, most importantly, Durability are all components of quality. Before making a purchase, you must consider the facts about ensuring quality. Don’t you think that you are paying for it? Do you think this 400w hps grow deserves the inevestment that you want to do for it? The answer of this question can be found by its quality.
Important to Understand Your Warranty and Return Policy
Thousands of manufacturers are producing products. Many of them ensures the higher quality as well. They are making us know those attributes by their creative advertisement too. Not anything wrong yet. But then appears the Warranty and After Sales Service. That one thing is quite able to make big difference and it’s a big deal indeed.
Facts like warranty, gurantee and return policies are so important that you should never ignore these. Nobody can assure you that nothing will happen whether they claim it as the best quality product or not. Lasting forever is not guaranteed for anything. But a minimum return of value you can expect from the 400w hps grow you are going to pay for. That’s why you need to be more careful about checking policies. Sometimes, you may find some policies which looks mystical and not clear enough through their written words. At that time, simply ask their delegate about thier policies again and have patience until you get the whole thing unequivocally.
Checking the FAQ and Customer Reviews simplifies the process.
Checking FAQ answers and customer reviews can be time savior for you. Usually when people like me and you asked few common questions frequently about a product, then it is called Frequently Asked Questions or FAQ. On the other hand, customer reviews are the short stories of the people who got experience of the products that you are looking for.
You will get idea of both by checking out those two things. You will surely get such answers which you may not even think to ask before. Then you can easily percieve the effectiveness of the 400w hps grow.
So the last word is never make mistake to consider the value you are getting from the 400w hps grow is fair enough against the price you are paying for it. Is it worhty enough to pay so? Does it fulfill your intention? That’s the thing that should get the most importance we guess.
We hope that you enjoyed the article in which we tried to provide you a proper guideline to help you to buy the best 400w hps grow. If you find this a little bit of useful, then nobody can be happy more than us. At the end, we can only be happy if you are satisfied completely.