LEDwholesalers
0 ratings
400-Watt High Pressure Sodium HPS Grow Light Bulb with E39 Mogul Base
genuine image
400-Watt High Pressure Sodium HPS Grow Light Bulb with E39 Mogul Base
Stimulates flowering, fruiting, and budding with quality light in the red and orange spectrums.
400-Watt High Pressure Sodium HPS Grow Light Bulb with E39 Mogul Base
Item #: 89474748

400-Watt High Pressure Sodium HPS Grow Light Bulb with E39 Mogul Base

Item #: 89474748

LKR 6784

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Tuesday, July 14
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Stimulates flowering, fruiting, and budding with quality light in the red and orange spectrums.
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

High Power Output
Delivers 400 Watts of energy, ensuring optimal light intensity for robust plant growth, making it ideal for professional growers and serious hobbyists seeking maximum yield.
Mogul Base Design
Equipped with an E39 Mogul base, allowing easy installation in various fixtures and compatibility with standard grow light setups, enhancing convenience for users.
Enhanced Photosynthesis
Optimized spectrum for increased photosynthetic activity, promoting healthier plants and faster growth cycles, addressing common issues faced by indoor gardeners.

Product Details

Shop 400-Watt High Pressure Sodium HPS Grow Light Bulb with E39 Mogul Base online at a best price in Sri Lanka. B07F7QVZTT
Item Weight2 lbs (910 grams)

Who Should Buy?

Suitable For
  • Indoor Gardeners

    Ideal for indoor gardeners seeking robust lighting solutions to enhance plant growth and yield during flowering stages.

  • Commercial Growers

    Perfect for commercial horticulturists needing high-intensity lighting for large-scale operations to optimize plant production.

  • Hobbyist Cultivators

    Great for enthusiasts looking for an effective way to grow a variety of plants year-round with reliable light.

Not Suitable For
  • Small Spaces

    Not suitable for small grow rooms due to heat output, which may lead to overheating issues and plant stress.

  • Budget-Conscious Users

    Higher energy costs and initial investment may deter those with limited budgets from utilizing this grow light.

  • Eco-Friendly Growers

    Not recommended for eco-conscious cultivators prioritizing energy efficiency, as HPS bulbs consume more power than LED alternatives.

Product Description

400-Watt High Pressure Sodium HPS Grow Light Bulb with E39 Mogul Base

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are the benefits of using a 400-Watt High Pressure Sodium Grow Light Bulb?

    Answer: The 400-Watt High Pressure Sodium (HPS) Grow Light Bulb offers significant benefits for horticultural applications due to its warm yellow-orange spectrum, which promotes robust flowering and fruiting in plants. HPS bulbs are known for their high lumen output, providing intense light that penetrates through dense canopies to support healthy growth. This makes them ideal for indoor gardening or greenhouse environments, particularly for flowering plants such as tomatoes and peppers, as well as in commercial horticulture setups.
  • Question: How does the E39 mogul base affect compatibility?

    Answer: The E39 mogul base is designed for high-wattage bulbs, ensuring compatibility with specialized sockets that handle the significant voltage and heat generated by a 400-Watt HPS bulb. This base type allows for a secure fit and optimal electrical connection, crucial for maintaining brightness and stability during operation. Ideal for use in dedicated grow light fixtures, it ensures that your plants receive consistent illumination, making it suitable for both home growers and professional setups in greenhouses or indoor grow rooms.
  • Question: Can the 400-Watt HPS bulb be used for all types of plants?

    Answer: While the 400-Watt HPS bulb excels in promoting flowering and fruiting, it is not the best choice for all plant types, particularly during their vegetative phase. HPS lights tend to emit more red and yellow wavelengths, which are optimal for flowering but can cause leggy growth in leafy greens and seedlings. For a balanced growth spectrum, it’s often recommended to combine HPS bulbs with metal halide lights or to use them specifically during the flowering stage to optimize plant health and yield.
  • Question: What is the expected lifespan of a 400-Watt HPS bulb?

    Answer: The 400-Watt High Pressure Sodium bulb typically has a lifespan of around 24,000 to 28,000 hours when used properly. This longevity is a result of its robust design, allowing consistent operation throughout its life cycle. However, performance can decline over time, leading to reduced light output. To maintain optimal growth conditions, it's advisable to replace the bulb after its rated lifespan, especially in intensive growing environments, ensuring that your plants continue to receive effective light for healthy growth.
  • Question: What kind of reflector should be used with this grow light bulb?

    Answer: Choosing the right reflector is essential for maximizing the efficiency of a 400-Watt HPS grow light. A high-quality reflector, such as a parabolic or hood reflector, can help direct light towards the plants, reducing light wastage and enhancing overall illumination. Look for reflectors made from highly reflective materials, like aluminum, that can evenly distribute light. Using a proper reflector can significantly increase the effectiveness of your light setup, especially in larger growing spaces or commercial operations.
  • Question: Is the HPS bulb suitable for hydroponic systems?

    Answer: Yes, the 400-Watt High Pressure Sodium bulb is well-suited for hydroponic systems, especially during the flowering stage of plant growth. Its light spectrum encourages blooming and fruit production, which is vital in hydroponic gardening. Hydroponic setups often require precise light management to ensure all plants receive adequate illumination. By using HPS lights, growers can effectively enhance yield and quality, making them a popular choice among hydroponic enthusiasts and commercial growers alike.
  • Question: What type of ballast is compatible with the 400-Watt HPS bulb?

    Answer: A magnetic or electronic ballast specifically rated for 400 Watts is compatible with the HPS bulb. The ballast regulates light output and provides the necessary starting voltage to initiate the lamp. While magnetic ballasts are traditional and reliable, electronic ballasts offer improved energy efficiency and quieter operation. Choosing the right ballast is crucial, as it ensures optimal performance of the bulb and safeguards against potential power surges that could damage the system, making for a more effective lighting solution.
  • Question: How energy-efficient is the 400-Watt HPS bulb compared to other grow lights?

    Answer: The energy efficiency of a 400-Watt HPS bulb is quite competitive, especially when compared to traditional incandescent or CFL bulbs. HPS technology provides a high lumen output per watt, making it a preferred option for focused horticultural needs. While LED grow lights are generally more energy-efficient and have longevity benefits, HPS bulbs remain popular for their proven track record in flowering stages. For growers looking to maximize yield in a cost-effective manner, HPS remains a compelling choice.
  • Question: Can the 400-Watt HPS bulb be dimmed?

    Answer: Typically, standard 400-Watt High Pressure Sodium bulbs are not dimmable unless used with a specially designed dimmable ballast. Dimming a standard HPS bulb can lead to inconsistent light output or even damage. If you require adjustable light levels for your growing setup, consider investing in a dimmable electronic ballast. This allows for flexibility in light intensity, accommodating different plant growth stages and ensuring optimal conditions throughout the plant lifecycle.
  • Question: Where can I buy a 400-Watt High Pressure Sodium HPS Grow Light Bulb with E39 Mogul Base in Sri Lanka?

    Answer: You can purchase the 400-Watt High Pressure Sodium HPS Grow Light Bulb with E39 Mogul Base from Ubuy in Sri Lanka. Ubuy offers a wide range of lighting solutions and gardening products, featuring reliable service and a secure shopping experience. They cater to both home gardeners and professional growers, making it easier to find the right lighting for your needs.

LEDwholesalers Growing Light Bulbs Editorial Review

No editorial reviews found

Customer Reviews & Ratings

5.0
1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.3/5 9,000 + reviews
Read reviews
MT
Mohd
Verified buyer

“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer

“Accurate delivery timing given”

16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer

“Not madly expensive like I thought, and much quicker than promised.”

15 June 2026 · via Trustpilot
LM
Leila
Verified buyer

“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”

6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer

“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

LKR 6784

Order now and get it around Tuesday, July 14

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • High Pressure Sodium (HPS) lamp delivers quality light for plant growth.
  • Promotes flowering, fruiting, and budding effectively.
  • 400 watts of maximum power for optimal performance.
  • Compatible with both magnetic and electronic ballasts.
  • Excellent fog penetration for outdoor use.
  • Discreet packaging ensures privacy during shipping.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.