How to choose the best CMH grow light 2021?

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What Are CMH Grow Lights?

The CMH grow light is the short form for ceramic metal halide grow light. It is also known as light-emitting ceramic (LEC) grow light. This is a popular grow light among marijuana growers because of its high efficiency. Besides, the light is known to aid photosynthesis in plants. Also, the CMH grow light is just a form of MH grow lights but it has an element of HPS in it. With this, you can say the CMH is a hybrid of the MH grow light and the HPS grow light.

Furthermore, the CMH grow light uses ceramic arc tubes just like the HPS grow light. But the tubes work at a higher pressure when compared with the quartz tubes the MH grow light uses. Because of this, manufacturers of CMH lights can make more accurate variations on the light spectrum to help improve productivity.

How To Choose The Best CMH Grow Lights?

Below are some tips on how to ensure that you are choosing the right CMH grow light.

Reflective Hood

A CMH grow light needs a good reflector. It is advisable to choose CMH grow light with reflectors with over 95% reflective ability. Also, the reflector should cover a wide area and not leave dark spots.

Warranty

To have an assurance that you are getting a quality product, ensure that the product you are getting a CMH grow light with a warranty. This is because you do not want to buy a product that will stop working in a few months.

CRI

CRI simply means the colour rendering index. The best CMH grow lights usually have higher CRI ratings. This is because the higher the CRI, the more the light looks more natural.

Heat

Whilst it is not easy to determine the amount of heat a CMH grow light emits before testing it, it is advisable to go for the ones that produce less heat. This is because if the heat is too much, you might find your plants burning up.

Now that you have learnt a lot about CMH grow lights, the next thing to do is to try to choose one. However, we acknowledge that this is not an easy task. This is why we have put together a list of some of the best CMH grow lights available. Read the reviews below and make your choice.

1.EYE Hortilux CMH 315W Grow Light System

The new Eye™ Hortilux CMH 315 Grow Light System takes the next step for grow light systems. The short, compact reflector design maximizes light with 8% more light hitting the canopy and 30% more uniform light than the competition.

Optimal setup and performance measurements based on CMH 315 Watt System with an EYE HORTILUX 315 CMH lamp. Actual performance may vary. The distance between fixtures should be measured from the center of the lamp.

Advantages The exclusive EYE HORTILUX CMH spectrum provides 50% more Ultra Violet (UV) than the competitive lamps available today. This results in better overall plant growth and higher yields.

Benefits Traditionally, Ceramic Metal Halide lamps were not designed for horticulture applications. They were designed to block UV when lighting products in retail stores. The EYE HORTILUX CMH 315 Grow Lamp was engineered to allow safe amounts of UV to pass through the glass and better imitate a plant’s exposure to natural sunlight.

2.VIVOSUN 315W CMH Grow Light Kit With Italian Vega Aluminum Hood

The VIVOSUN 35W Ceramic Metal Halide CMH Grow Light Kit is popular for its ultra-reflective coverage. This reflective coverage is a patented design by the VIVOSUN Company. It has mirror panels that have textured corners. Because of this, you will find that all areas of your grow area have lighting coverage. Besides, the reflective material has a 98% reflective capacity which is made from Italian aluminium.

Furthermore, it features high-tech ballast which has a low-frequency square wave technology. Because of this, you will find that the ballast is very efficient and reliable. Not only that, it has no electromagnetic interference which means that you won’t find the lights flickering. Again it has vents that help regulate the temperature of the light hereby prolonging the lifespan of the ballast. Also, it comes with an 8” power cord with 120V to 240V adapter. Besides, this power cord works well with North American outlets/sockets.

Again, with its 315 watt light, you have truly bright light with good coverage. Not only that, it has a high coverage as it can cover up to 9 square feet which are quite impressive. Also, it has a low temperature which means there will be little cases of your plants burning up. It also means that you will be saving electricity costs. We also like the fact that it has an efficient spectrum that aids growing. Finally, it has a 3-year warranty which further gives assurance of the quality product you are getting.

3.TopoGrow 315W CMH CDM Grow Light Kit W/3100K Bulb & Horizontal Ballast

The TopoGrow 315W CMH CDM Grow Light Kit is another CMH grow light we like. The light shines like it is the sun and this is due to its impressive light spectrum and CRI. Besides, it is particularly useful for the plant blooming phase. This is because it has an enhanced red spectrum light. In light of this, expect a high yield when you use the light. Not only that, you will find that the yields are of high quality and the plants look fresher than normal. Again, vegetable and flower plants are the types of plants that will witness a significant boost with this grow light.

However, the light operates at a high temperature which translates to higher electricity cost. But, this is a little price to pay for the high and quality yield. Furthermore, it has a coverage area of 4ftX4ft which is very impressive for a CMH light in its price range. Not only that, it comes with a strong reflective hood made from extremely reflective aluminium. Besides, this reflective hood has a 98% reflective capacity. Not only that, it is designed to ensure that the light covers all areas and there are no dead areas.

Also, it comes with 315W ballast which is very durable. It also comes with a pair of 1/8” rope and a power cord. This is a great CMH light however; we do not like the fact that it only has a 10,000 hour lifetime. The lifespan is disappointing because most CMH lights usually have 24,000 hours lifetime.

4.ECO Farm CMH 630W Grow Light Fixture

By going through this CMH light review, you’ll understand why this particular light system represents one of the most popular choices on the market.

This ECO Farm CMH Grow light is designed for long-lasting performance, withstanding high temperatures and delivering up to 24,000 hours of light, as opposed to other grow light systems that rarely exceed 10,000 hours.

The case is made of high-quality aluminum with 98% reflectivity to enhance its performance and deliver a brighter light, suitable for all your plants’ growth stages. Besides, the CMH bulb provides a full-light spectrum, so there is no need to adjust the colors according to the growing phase. Therefore, it is suitable for both vegetative stages and bloom ones.

The product boasts a solid suspension system with one pair of adjustable heavy-duty rope hangers so it can be easily mounted without requiring professional assistance. The V-shape hanger is made of stainless steel and won’t break, chip or corrode in time.

Conclusion

We have come to the end of this article on the best CMH grow light. We made sure we wrote extensively on the CMH grow light and we are sure you have learnt a lot about them. Like we mentioned in the article, one of the major benefits of the CMH grow light is its balanced spectrum. This means that when you use this type of light, the plants will get all the necessary light they need for their growth. We also included a review of some of the best CMH grow lights available. Finally, we hope that after completing this article, you will be able to make a better buying decision.