The warmer 3000K light is a great way to simulate 3000K metal halide lamps like the Philips MHC100/U/M/3K or ALL high-pressure sodium lights. Metal halide lamps produce light in the white and blue spectrums, while high pressure sodium lamps produce light in the yellow, orange and red spectrums. Metal halides are inorganic compounds composed of a metal ion and a halide ion. MH vs HPS. Neither mercury vapor nor standard metal halide fixtures need ignitors to strike an arc through the lamp. These alternatives also have longer average lifespans. And a lot of time, we have a product in mind that works based on past experience. Halogens can accept electrons to their outermost electron shell. This light can stimulate the growth of plants. What is the Best Type of HID Light to Grow Stocky Tomato Plants? The bulbs in this family produce a large amount of lumens, which is why they’re used for public spaces, like stadiums. High Pressure Sodium: The term high pressure sodium describes a form of light that is used mainly in industrial lightening, and is a type of growth light commonly used for indoor gardening. A metal halide bulb produces about 65-110 lumens of light per watt while a high pressure sodium bulb produces about 96-150 lumens of light per watt. These compounds have high melting and boiling points. What is the difference Between Metal Halide and High Pressure Sodium     – Comparison of Key Differences, Key Terms: Covalent Compound, High Pressure Sodium Lamp, Ionic Compound, Low Pressure Sodium Lamp, Metal Halide, Metal Halide Lamp, Palladium Chloride, Sodium, Sodium Chloride. The main difference between metal halide and high pressure sodium is that metal halide lamps have a high efficiency and color rendition of light whereas high pressure sodium lamps have a poor color rendering. Her interest areas for writing and research include Biochemistry and Environmental Chemistry. A metal halide bulb will produce around 58 lumens per watt; 14,500 lumens total. Metals form cations by removing one or more electrons from their outermost electron shell. have you thought about using LED lights for spreader lights, there are some pretty great options out there now a days. LED Wall Pack Fixtures. Specialty varieties of But how did we come up with that product, and how did we make the original decision on what was the proper replacement? For example, Titanium tetrachloride [TiCl4], chromium(III) chloride [CrCl6]3−, etc. Since we will be talking about High Pressure Sodium (HPS) lights, we will also be talking about Metal Halides, which are a counterpart to it. by Garrett Rudolph August 1, 2014. written by Greg James August 1, 2014. High Pressure Sodium: High pressure sodium lamps have a poor color rendering. Anyone who uses them in any other way either cannot afford what is needed, so they pick one and hope for the best, or they do not know enough about plant needs to post a valid comment. Good efficiency, smaller size than low pressure sodium lamp, better bulb life are some of the advantages. Metals are the elements in the s block and d block. An ignitor is used when high pressure is necessary to strike an arc through certain materials and get the temperature up … For parking lots, warehouse lighting, or security lights, 5000K is a much brighter and cleaner looking option for your corn cob LED light. Some metal halides have covalently bonded metals and halogens. Hi if you had plants under 18 hours of light with a Metal Halide bulb and switch to an High Pressure Sodium bulb,but keep it at 18 hours on how will this affect the … For example, sodium chloride is an ionic metal halide compound. When I first started growing, I made the mistake of … HPS - High Pressure Sodium. Metal halide bulbs, sometimes shortened to just “MH” and high pressure sodium bulbs, sometimes shortened to simply “HPS”, are in a family called High Intensity Discharge bulbs, or “HID” for short. 1. A lot of time we are asked what is the equivalent LED product to convert from Metal Halide, High Pressure Sodium or Mercury Vapor. A good quality HPS lamp will give you the same amount of … CMH - Ceramic Metal Halide. inside a tube made of aluminum oxide. Metal halide lamps produce more of a glare compared to high pressure sodium lamps. Metal halides are used in metal halide lamps. Metal halide and high pressure sodium lamps are typically omni-directional meaning the light is emitted in all directions: top, sides, and bottom. why would you do that if you really want the best quality bud. The Difficulty in Choosing the Right Grow Light. Two main types of MH grow light bulbs are commonly available to growers: 1) Standard metal halide bulbs, which must be operated on metal halide ballasts or digital ballasts, and 2) metal halide conversion bulbs which must be operated on standard high pressure sodium ballasts or digital ballasts. This is by diffusing electromagnetic radiation required for photosynthesis. CMH grow light lamps are a relatively new source of HID light that is a variation of the traditional Metal Halide HID lamp. A high pressure sodium bulb produces light that is reddish-yellow, while metal halide bulbs produce a much more balanced white light that has more of the visual spectrum. Metal halide lamps and high pressure sodium (HPS) bulbs fall into this category. Figure 2: Palladium Chloride Polymeric Chain. These metal halides improve the efficiency and color rendition of the light. High Pressure Sodium vs LED - What’s The Difference Between High Pressure Sodium and LED Lights. Let’s start by comparing these two HID lights to the halogen light bulbs. High Pressure Sodium: High pressure sodium lamps are used for lightening purposes and in plant growth stimulation. Metal Halide: Metal halide lamps are composed of mercury along with some metal halides including metal bromides and metal iodides. Title: Metal halide is much less efficient than high pressure sodium--that is, it produces much less light per watt Created Date: 1/29/2007 11:02:43 AM A 250 watt high pressure sodium lamp can last from 12,000 to 24,000 hours. Rick Rowlands. A typical 250 watt high pressure sodium bulb will produce around 87 lumens per watt; 21,750 lumens total. One of the main issues with metal halide bulbs is that they tend to lose 50% of their light output half way through their typical lifespan. The Positives & Negatives of Energy-Saving Light Bulbs. HID wall packs have higher initial Lumen ratings than equivalent LED fixtures and feature an internal aluminum reflector to better direct the light outward. Metal halides are compounds between metals and halogens. While the technology behind indoor plant lighting has evolved rapidly, one thing has stayed fairly constant: Most growers still prefer to use high-intensity discharge lights in their grow rooms. The chemical bond between a metal and a halogen can be either a covalent bond or ionic bond. What is High Pressure Sodium     – Definition, High Pressure Sodium Lamp 3. HID vs. HPS light costs differ based on the particular fixtures, but are cheap compared to LEDs. Common metal halide to LED replacements: “Halides | Metal Halides | Uses of Halides | Examples | Chemistry | Byju’s.” Chemistry, Byjus Classes, 18 Sept. 2017,  Available here. An ionic bond is a type of chemical bond which has an electrostatic attraction between a cation and an anion. First off, HID lights last longer than Halogen. Difference Between Metal Halide and High Pressure Sodium, What is the difference Between Metal Halide and High Pressure Sodium, Difference Between Protonation and Deprotonation, Distinguish Between Binary Acids and Oxyacids, What is the Difference Between Aromatherapy and Swedish Massage, What is the Difference Between Lyocell and Viscose, What is the Difference Between Pine Tree and Christmas Tree, What is the Difference Between Aioli and Mayonnaise, What is the Difference Between Massage Oil and Body Oil, What is the Difference Between Chia and Basil Seeds. Metal halide vs. high-pressure sodium: An age-old question for cannabis growers. High pressure sodium lamps are an improved version of low pressure sodium lamps. Both types come with unique advantages and disadvantages. Figure 4: High Pressure Sodium Lamps . High pressure sodium lamps help promote flowering in plants. Figure 1: Sodium Chloride Crystal Structure. Like Metal Halides, High Pressure Sodium lights are omnidirectional, which wastes light and makes them less efficient. Because of their mercury content, neither type of lamp is particularly good for the environment. Only high-pressure sodium and pulse-start metal halide fixtures have ignitors. What is a Metal Halide     – Definition, Different Types, Metal Halide Lamps 2. The major disadvantage is that it still has a bad color when compared to a metal halide lamp. Both Metal Halide and High Pressure Sodium bulbs are part of the HID family of bulbs. Metal Halide: Metal halide lamps have a high efficiency and color rendition of light. Metal Halide: Metal halides are compounds between metals and halogens. High pressure sodium lamps are an improved version of low pressure sodium lamps. in my experience sodium lights have always had more of an orange tint. Metal Halide: Metal halides are used in metal halide lamps along with mercury. This structure has infinite chains of palladium chloride units. vs a stock farrari enzo (sunpulse metal halide) who do you think would win. 2. It exists in a crystal structure as shown in the below diagram. Here, a metal halide has electrostatic attractions between metal cations and halide anions. They are heralded because of the quality of light they produce. Ionic compounds such as sodium chloride, covalent compounds such as palladium chloride and some coordination compounds are considered as metal halides. This is not the case for high pressure sodium, LED and induction alternatives. Blue light is said to affect hormone levels and slow melatonin production. 1. just my opinions though. Sodium Lamps: High-pressure sodium sources were developed primarily for their energy efficiency. Both the MH and the HPS are widely used for outdoor lighting. They lose roughly 15% of their heat emissions which adds to their inefficiency. i know we used metal halide in the engine rooms of my ship because they where actualy WHITE light, and man are those suckers bright. The primary visual difference between them is that metal halide light is white and the light emitted from a High Pressure Sodium bulb is amber orange. High Pressure Sodium: High pressure sodium lamps have sodium, mercury, xenon, etc. “Metal-Halide lamp.” Wikipedia, Wikimedia Foundation, 21 Nov. 2017, Available here. MH, or Metal Halide, and HPS, or High Pressure Sodium, are two types of High Intensity Discharge lights that give a brighter effect, and also help to save energy. These metal halides are often polymeric structures. Halides are anions of halogens. The main difference between metal halide and high pressure sodium is that metal halide lamps have a high efficiency and color rendition of light whereas high pressure sodium lamps have a poor color rendering. These compounds are used in metal halide lamps. Therefore, these two elements can bind via an ionic bond. Exposure to metal halide can contribute to muscular degeneration. Well, both these lights have specific characteristics that … High Pressure Sodium Grow Lights vs Metal Halide Grow Lights The article below will explain the differences between High Pressure sodium Grow Lights and Metal Halide Grow Lights. High pressure sodium lamps contain more components such as mercury which is absent in low pressure sodium lamps. One, Metal Halide is for the vegetative growth stage and the other, High Pressure Sodium is for the flowering stage.. you use both.. period, the end. The main difference between metal halide and high pressure sodium is that metal halide lamps have a high efficiency and color rendition of light whereas high pressure sodium lamps have a poor color rendering. The downside of MH bulbs for growing is their relative inefficiency compared to High Pressure Sodium (HPS) bulbs. Unlike low pressure sodium lamp, the high pressure sodium lamp has an acceptable color. Metal halides are compounds composed of a metal ion chemically bonded to a halide. Differences Between Metal Halide and High Pressure Sodium. Thread Tools. “Sodium chloride crystal” By Walkerma – Own work by the original uploader (Public Domain) via Commons Wikimedia 2. Mercury is a dangerous substance found in all high intensity discharge light bulbs. Madhusha is a BSc (Hons) graduate in the field of Biological Sciences and is currently pursuing for her Masters in Industrial and Environmental Chemistry. Figure 3: High Pressure Sodium Lamps can be used to Lighten Streets. It produces light by electrical breakdown of a gaseous mixture of vaporized mercury and metal halides. Here’s a closer look at what grow lights are, what each of the aforementioned different types of lights are, and what are the differences between them. A metal halide lamp is an electrical lamp. High pressure sodium is a term used to describe a type of lamps that are used to produce light used in lightening streets, industrial lightening and as a plant growth stimulator. Mercury should be kept out of landfills both because it is dangerous and because it is easily recyclable. Metal halide lamps promote vegetative growth in plants because they emit a bluish white light ideal for vegetative growth. Later, the high pressure sodium lamp was developed due to the disadvantages of the low pressure sodium lamp. A 250 watt metal halide lamp will last from 10,000 to 15,000 hours. As a general rule of thumb, HID grow lights like Metal Halide (MH) and High Pressure Sodium (HPS) are most suitable for relatively larger grows where there is at least 5 feet (1.5 meters) of height in the grow space, though it’s recommended to use a taller space for the best results.This is because MH/HPS lights have to be kept fairly far from the plants. High pressure sodium grow lights produce up to 40% more lumens per watt than metal halide lights, and this then leads to much higher yields when marijuana is flowering. Show Printable Version; 09-04-2011, 07:31 AM #1. “High Pressure Sodium Lamps” By Swisstack – Own work (Public Domain) via Commons Wikimedia. Both types of HID lamps work well for encouraging plant growth, due to their high lumen outputs. How to Use Lamps to Set the Mood in Your Home, The Advantages & Benefits of LED Lighting. Results 1 to 4 of 4 Thread: Differences Between Metal Halide and High Pressure Sodium. Can You Grow Plants With Only a Heat Lamp? 2.3 Quartz Metal Halide (QMH) Metal Halide lamps have an efficacy of 80-115 lumens per watt and have a life between 10,000-20,000 hours. © Copyright 2020 Hearst Communications, Inc. The low pressure sodium lamp was the first sodium lamp to be developed. Here, the halide ion is called a ligand. This type of lamp emits an orange-red glow that is ideal for flowering. its the same low pressure soduims came out back in the 40 with street lights and hps came out in the 60 for street lights is light tuning up a honda. “Alpha-palladium(II)-chloride-xtal-3D-balls” By CCoil (talk) – Own work (CC BY 3.0) via Commons Wikimedia 3. The metal halides used for this purpose are metal bonded with bromine or iodine. For example, palladium chloride is a metal halide which exists as a polymeric structure. A standard 250 watt metal halide lamp contains around 38 mg of mercury, a 250 watt high pressure sodium lamp contains around 15 mg. A typical high pressure sodium lamp will last longer than a metal halide lamp of similar wattage. Both high pressure sodium and metal halide lamps are considered HID (high intensity discharge). 1. HPS has a red or orange tint and is used primarily in the flowering phase of your plant's life. Because of their numerous advantages, metal halide lamps are used extensively in outdoor applications and in commercial interiors. These metal halides are highly soluble in water forming the aqueous metal ion and the halide ion. Metal halide lamps last about 15,000 hours, and HPS bulbs can last up to 24,000 hours. Since both types of lamp are HID, they are designed to produce generous amounts of light, or lumens. High pressure sodium lamps last longer than metal halide; they also produce more lumens per watt. Light intensity is measured in lumens. Are Yellow Light Bulbs All Right for Seedlings? Home » Science » Chemistry » Inorganic Chemistry » Difference Between Metal Halide and High Pressure Sodium. This means they have the power to generate high yields and a large bud mass in the flowering stage. Certain types of light produced by HID bulbs can affect your health. These bulbs, which are mostly used in outdoor settings, offer different amounts of light output and operate in different color spectrums. Score: LED 5, Metal Halide 0 LED floodlights vs High Pressure Sodium floodlights Efficiency High Pressure Sodium floodlights come closer to rivalling LED floodlights than halogen and metal halide. Ionic metal halides are often formed from a combination of halide ions with metal ions of group 1 and group 2 (alkali and alkaline earth) elements. Metal halide lamps produce light in the white and blue spectrums, while high pressure sodium lamps produce light in the yellow, orange and red spectrums. The term high pressure sodium describes a form of light that is used mainly in industrial lightening and is a type of growth light commonly used for indoor gardening. Some transition metal halides also dissolve in water. Likes: 0. There are several advantages and disadvantages of high pressure sodium lamps. 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