The lights use ceramic arc tubes very similar to the tubes in HPS grow lights. However, when it comes to metal halide vs HPS for flowering, which is best? Growing plants outdoors is simpler when compared to growing them indoors. ... There’s a lot of confusion among growers when it comes to the different kinds of grow lights that they have and HPS vs MH Grow lights is something that always confuses a lot of beginners. High-Pressure Sodium (HPS) grow lights are the exact opposite of what we have seen in Metal Halides in terms of color and performance. Till then…. These are a type of High-Intensity Discharge (HID) grow lights, which offer bright lighting that helps indoor plants grow. These lights also range from 250-1,000-watts. Let us take a closer look at all these different kinds of indoor lighting options –. 3. However, in case you are looking for a specialized light, you need to know that the kind of light you buy depends upon the phase of growth that your plants are in. Can You Use Normal Light Bulbs as Grow Lights? Traditionally growers used Metal Halide (MH) bulbs during the VEG cycle due to the high percentage (23%) of blue in the MH spectrum. Glad to see you made the switch over to a few 315w CMH grow light kits!Now, by replacing your fluorescent lights with ceramic metal halide lights you've actually gone down in wattage significantly, to the tune of around 2000w's. Make sure you know the exact amount of power that these bulbs will consume from the wall socket before you buy them. Furthermore, these grow lights don’t carry any chemicals inside them and are hence safer to use as well as safer to dispose. 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. Since the light that comes out of the two grow lamps is different in colour, the function of the light is also quite different – Metal Halides are useful during the vegetative phase, while HPS lights are more useful during the flowering stage of the marijuana plant’s life cycle. HID is High Intensity Discharge. The biggest being that of energy efficiency as the lights really consume very little electricity – and in the long-run pay off for themselves. Well, the answer to this question varies from grower to grower based on their comfort, but the objective truth is – yes. The bulb must be in your budget while it must also be under a warranty in case something goes wrong. These lights are also used during the later stages by some growers but at lower intensities along with red HPS lights. One of the biggest problem with HPS and MH grow lights is the fact that they are not as strong or durable when compared to other forms of grow lights. The HID lights that are most frequently used in growing plants indoors and in greenhouses are metal halides and high-pressure sodium (HPS). Most would agree that HPS grow lights are better than MH lights in more or less every way imaginable. High pressure sodium lights produce a higher amount of photosynthetically active radiation (PAR) than MH lights, which all plants need to perform photosynthesis, which in turn leads to faster, better, and more efficient growth in all regards. Learn how your comment data is processed. Now, both metal halide and HPS grow lights are types of HID or high intensity discharge lights, which means that they do have a whole lot of power. When these lights get ionized, they produce a certain kind of light – Argon is usually the first one to get ionized followed by the halides. Nov 25, 2008 #3 HPS is HID. These lights are important for photosynthesis as well as for the generation of chlorophyll and this is the reason as to why you should use metal halide grow lights during the first half of your plant’s growth cycle. The fact that HPS grow lights come on average with between 25% and 40% more lumens per the same watts, it tends to make for a better flowering grow light. November 18, 2020. Even in times when LED grow lights are taking the mantle forward, HPS and MH lamps are still pretty popular among growers. 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. We hope that we have helped you understand these grow lights in a more comprehensive manner. Flowering can be manually triggered in non-autoflowering plants by reducing the timings of the light from 12-14 hours to about 10-12 hours. Metal Halide (MH) Vs. HPS Grow Light Bulbs. Coming straight to our main topic at hand, let us now understand what Metal Halides are. First off, they are way more energy-efficient and provide brighter lighting at the same (or lesser) power consumption. Delivery is usually safe and fast when you do it via Amazon. HPS grow lights are to be used during the flowering phase of the marijuana plant’s life cycle. Furthermore, LED lights do not carry any chemicals inside them and are safe to use. Besides this, sunlight helps the plants enter into the, These grow lights are used by growers during the, How To Germinate Marijuana Seeds [Complete Guide]. That can last for more than 24,000 hours and maintain over 80 % of their growth look! And get a bulb which operates at as lesser temperatures as possible both types of grow lights are a! The cells and helps the plants generate various sugars and enzymes and break down! Lights in more or less every way metal halide grow lights vs hps I earn from qualifying.! 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