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Difference between MH and HPS

Difference between MH and HPS

As a grower, you may have heard of the different types of lamps available for your garden: MH and HPS. But what is the difference between them? In this article, we will discuss the pros and cons of each type of lamp, so you can make an informed decision about which is best for your garden.

What is MH?

MH lamps are commonly used in gardening and agriculture. MH stands for Metal Halide, and these lamps are known for their high efficiency and brightness. MH lamps emit a broad spectrum of light, making them ideal for plants that require high levels of light for photosynthesis. MH lamps are also very efficient, meaning they produce more light per watt of power than other types of lamps. However, MH lamps also have a shorter lifespan than other types of lamps, so they must be replaced more frequently. MH lamps are available in a variety of sizes and shapes, so they can be used for a variety of applications.

What is HPS?

HPS, or high-pressure sodium, lamps are a type of gas-discharge lamp that is commonly used for street lighting and other outdoor lighting applications. HPS lamps produce a bright, white light that is very similar to sunlight. This makes HPS lamps ideal for outdoor lighting because they can help to reduce glare and improve visibility. HPS lamps are also very energy-efficient, making them an environmentally friendly choice for outdoor lighting.

Difference between MH and HPS

MH and HPS lamps are the most popular types of grow lights on the market. MH lights are typically used for vegetative growth, while HPS lights are used for flowering and fruiting. MH lights emit a blue-tinged light that is high in nitrogen, promoting leafy growth. HPS lights emit a red-tinged light that is high in potassium, promoting flower and fruit production. both MH and HPS lights should be used in conjunction with an LED light to provide a full spectrum of light. MH and HPS lights are more expensive than LEDs, but they will last longer and produce more consistent results.


MH and HPS lamps are two of the most popular types of commercial lighting. They have different benefits, so it’s important to understand the difference before making a purchase. We hope this article has helped you better understand the differences between these two types of lamps and which one is best for your needs.

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