Well, both these lights have specific characteristics that differentiate one from the other. J. JuicyBuds Well-Known Member. It is the presence of the halides that gives the light that comes from these lamps a bluish tinge. These lights can help you provide an all-round growth to your plants. The wattage on the name is never really the amount of power that they draw from the socket. High pressure sodium lights work by creating an electric arc through vaporized sodium metal, while additional materials and gases work to start the lamp and control the its color. Red lights that come from the HPS grow light help the plants develop bigger and better flowers and increase the overall yield per square foot. There are two types of HID grow lights, and this is the main topic of our article today – these are HPS grow lights and MH grow lights. Sunlight is also responsible to trigger the opening and closing of the stomata of the plants that helps them ‘breathe’. It’s... Disclosure: As an Amazon Associate I earn from qualifying purchases. 3. The primary types used in horticulture include metal halide (MH), and high pressure sodium (HPS). What is Hemp Oil? These lights usually offer a full-spectrum lighting experience, which means you can use the same unit during both the phases of your plant’s growth cycle and you don’t have to change the light every now and then. The amount of area that the bulb of your choice covers is also very important. However, when it comes to metal halide vs HPS for flowering, which is best? Moreover, there are certain metal halide bulbs which give off more blue and white light, best for vegetation, and then there are others which give off more red light, best for flowering and producing high yields. This means that many growers with HID light setups have separate veg and flowering lights or at least multiple bulbs, which adds … Let us take a closer look at all these different kinds of indoor lighting options –. A CMH uses a ceramic arc tube similar to those used in HPS grow lights instead of the quartz used in traditional metal halide grow lights. November 18, 2020. Here, we take a quick look at all the things that are different about these two grow lights. The bulb must be in your budget while it must also be under a warranty in case something goes wrong. Growing plants outdoors is simpler when compared to growing them indoors. Metal halide lights tend to be considered great full spectrum grow lights, and thy are great for the vegetative state, as they usually produce really lush and thick vegetation which is great for getting weed plants ready for the flowering stage. These grow lights function on the basis of an electric arc passing through a gas which results in the gas getting illuminated and creating the light. Metal Halide (MH) Vs. HPS Grow Light Bulbs. LED grow lights consume the least power of all of these grow lights, tend to heat up the least, as well as offer the most lumen per watt ratio in terms of power consumption. Make sure you know the exact amount of power that these bulbs will consume from the wall socket before you buy them. As mentioned above, MH lights are more suited for plants during the vegetative stage while the reddish HPS grow lights are better suited for the flowering/blooming stage of the plant’s life cycle. These grow lights are used by growers during the flowering stage of the plant’s life cycle. There are SMD LED lights (normal LED lights), then there are COB LED lights, LED light strips, etc. Rust Spots On Leaves During Flowering? Disclosure: As an Amazon Associate I earn from qualifying purchases. These lights are great for early-stage plants as they emit a cool blue shade of the visible spectrum which helps the plants grow in size and generate more leaves and develop more foliage in general. CHM grow lights can last for more than 24,000 hours and maintain over 80% of their intensity for up to 20,000 hours. One look at the lights and you can tell that the Metal Halide (MH) grow lights function at the bluer end of the color spectrum while the High-Pressure Sodium (HPS) lights function towards the other end – and have a reddish light. These grow lights come in different shapes and sizes and function in different ways based on their system. Furthermore, these grow lights don’t carry any chemicals inside them and are hence safer to use as well as safer to dispose. This is why we have decided to come out with this article where we shall explain to you the functioning of both these, This process helps the plants generate various sugars and enzymes and break them down which helps power them through various stages of their growth. These lights require a ballast to operate because the ballast controls the flow of electricity and ensure that not too much current flows in that might lead to bursting the bulb. Like all HID lights, Metal Halides require a ballast to control the flow of current. Buyer’s Guide: How To Choose The Best HID Grow Lights For Your Plants? metal halide and high pressure sodium lights are both HID high intensity lights metal halide is for veg/grow high pressure sodium is for bud/bloom hope that helps . 600w Grow (Metal Halide MH) & Flower (Super HPS Son-T) Spectrum Lamp E40 By omega-lighting ... FECiDA 50W LED Grow Light for Indoor Plants, 250W CFL, HPS Grow Lights 9.9 9.4 10.0 2: Each type of light has strengths and weaknesses. Then they don’t even generate as much heat as your standard HID light does. 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