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If this is your first time dealing with indoor gardening or hydroponic systems, you likely wouldn’t know a whole lot about the process. To maximise the growth of the plants, having optimal settings inside the grow room is extremely important. Not only do you need to focus on the quality of the actual grow tent, but the accessory sensors and regulators also play an equally important role. This is one of the primary reasons why consulting a professional often comes in handy.
Aside from the humidity controller, the users also need to keep a check on the Co2 controller for the grow room. It helps improve the overall temperature settings inside the grow room and helps reduce the risks of damage to the growth of the plants. Maintaining optimal Co2 levels is particularly important if you are growing cannabis because it requires optimal temperature and air settings.
Every type of plant requires a certain pressure of Co2 inside the grows room, so it isn’t surprising that the levels will change depending on the kind of plants you are growing. But, getting a Co2 regulator for the grow room is an absolute must. The primary reason behind this is due to the proper growth of the plants inside the grow tent under optimal temperature and air settings.
But, with the growing popularity of the Co2 regulators in the market, more and more brands are now coming out with their version of the product. This is making it extremely hard for the users to find the product that best suits their interests.
Don’t worry though. We have done the hard work for you and scrounged through the internet to find the best available Co2 regulators that are available in the market.
10 Best Co2 Regulators for Grow Room in 2022
When talking about Co2 regulators, there are quite a few important features and factors that you need to keep an eye out for. Following is the list of the best Co2 regulators that you can find in the market.
The first product on the list worth mentioning is the Titan Controls CO2 Regulator. It is compatible with a variety of power sources, especially working well with 120V controllers and timers. This makes it an ideal option for users who are just starting to use these products.
The brand is hands down one of the most popular options known for its high-quality items and this is one of them. If you have light and humidity controllers for your grow tent, getting this Co2 controller is likely the easiest option.
The regulator is designed with a heavy-duty solenoid valve and an oil-pressure gauge that enables smoother dispensing of the Co2. It comes with a dispensing tube measuring around 12 feet, which again is a pretty ideal option.
The product is also backed with two separate plastic tank washers that make the overall product quality one of the best around. The product is also quite easy to install and works well with the remaining regulators available in the market.
- Compatible with all power sources
- Durable solenoid material
- Easy to install
Vivosun is a popular brand that is known for its quality products for indoor gardens and hydroponic systems and the VIVOSUN Hydroponics CO2 Regulator is one such addition to the list that you wouldn’t regret buying.
The durable regulator is constructed with heavy-duty brass components that ensure long-lasting benefits and prevent the risks of rusting that many individuals often complain about. It is a 1.58” high-pressure gauge that enables smoother regulation of the air pressure.
The product is ideal for indoor gardens, especially for hydroponics, grow tents and even greenhouses. It also works seamlessly to improve the overall growth rates of the plants by 40%, further making this one of the best co2 regulators in the market.
The overall item is composed of multiple parts including the precision regulator, flow gauge, and durable and high-quality solenoid valve. The remaining item is designed with plastic dispensing plastic tubing for enhancing flow.
The co2 regulator does come with adjustable options that enable you to adjust the co2 inflow and outflow depending on the requirements of the grow room. The best air pressure enables the optimal growth of the plants without any further hassle.
- Yields plant growth by 40%
- Made with high-quality material
- Durable brass components
- Adjustment knob could be better
Another popular co2 regulator worth looking into is the Grow Crew CO2 Regulator. It has a very versatile function that enables you to use it for multiple plant growing settings including indoor grow rooms and even hydroponics.
The usage of this high-quality Co2 regulator has been found beneficial in improving the overall yield by 20%, which is ideal. It is also programmed in a way to only emit co2 when the lights are on, which is another benefit of this product that makes it stand out.
The entire package from this brand is backed with all the possible items that you’d likely need for the optimal growth of your indoor plants. It comes with two plastic tank washers, a co2 dispensing tube, an oil-less pressure gauge, and a solenoid valve.
The installation process with this product is pretty simple too. All you need to do is unbox all the items and then screw the thread into the Co2 tank with the available whitewashers in the package. Once done, you can adjust the flow according to the requirements of your setting.
The product is built to last and that again is something that you necessarily wouldn’t have to regret at all. It is also backed with a 1-year warranty, which again is a positive thing about this regulator.
- Made with high-quality materials
- Comes with all the necessities in a package
- Backed with a 1-year warranty
- Adjustability options are not the best
For a product that is backed with such amazing reviews and readings, it is not surprising that the GROW1 CO2 Grow Room Environment Regulator is hands down the best option in the market. It is made with rust-resistant material that ensures better durability over time.
The kit comes with separate plastic whitewashers along with a separate 6 feet grounded power cord that makes the overall installation process a lot easier and seamless. You can plug it into the 120v power sources and call it a day.
The overall product is backed with a solenoid valve for optimal results along with 5-meter-long tubing that enhances the air pressure for easier co2 regulation. The body of the regulator is designed with brass alloy, making this one of the best products around.
- Brass alloy body
- Comes with a solenoid valve
- Easier air pressure regulation
- Little overpriced
For a product that has one of the highest reviews on Amazon, the Day Night CO2 Monitor and Controller is hands down one of the best co2 regulators in the market. It helps you not just monitor the co2 levels in the grow room, it helps you manage the same optimally as well.
It is a very versatile option that works for multiple settings of grow tents, grow rooms, and even a greenhouse, if needed. It comes with a 100-240 VAC 5A piggyback power cord which channels necessary electricity to trigger the flow of co2 when the levels dip.
It also comes with adjustable settings and monitoring controls that let you set the high and low settings that enable smoother functioning. It comes with a separate photosensor that turns off the co2 flow during the night.
The unique feature of this product is the fact that it comes designed with the NDIR CO2 Sensing technology with a bright LCD digital display that makes it easier for the users to keep a note of the co2 levels during varying times of the day.
It comes with distinct push buttons that make the regulation procedure a lot easier and more seamless. It is also made with high-quality materials that ensure that you wouldn’t have to regret splurging out on the durability of the product.
- Automatic shut off feature
- 1500 sq. ft coverage
- Easy to install
- Needs time for optimal acclimatization
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Amidst all the available options on Amazon, the SPARC CO2 Flowmeter is one of the more budget-friendly options that you can consider investing in. Not only does it maintain the Co2 levels inside the grow room, but it takes care of the proper growth of the plants too.
This high-quality Co2 regulator for the grow rooms is designed with brass materials for extra durability and long-lasting usage without inflicting risks of damage. However, brass does have risks of getting corroded, so you need to maintain it accordingly.
This co2 flowmeter is a multipurpose device that you can use for different kinds of settings, including indoor gardening; grow rooms, greenhouses, to say the least. The settings allow you to enhance or adjust the co2 levels in the environment for optimal growth of the plants.
Using this co2 regulator has been proven beneficial in improving the metabolic rate and the growth of the plants by 40% and enhances your yield before you know it. Also, it runs on the standard 110V electric power.
- Durable brass construction
- Enhances yield by 40%
- Multifunctional usage
- Enhances co2 levels inside
- Runs on standard 110V electric power
- Brass has a risk of getting corroded if not maintained
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The COLIBROX Hydroponics Co2 Regulator is a steal, especially for the kind of functions and precision that you get with the device. Not only does it enable you to control the Co2 levels inside the grow rooms, but it also ensures creating the proper environment for the plants to grow in.
The regulator itself is made with precision elements and instruments that allow you to make maximum use out of the device over extended periods. The regulator is particularly designed to enhance the Co2 levels inside.
Aside from the regular itself, the device comes with a 6-foot long power cable that allows you to connect it to any power outlet that you deem suitable for your needs. Like the other co2 regulators, even this one helps enhance the yield by 40%.
As for the power source and settings, it is backed with a 120V power source, which is common to almost every house in the United States, so you wouldn’t have to worry about damage or tripping. It is one of the best options for light intensity gardens.
- Durable construction
- Made with precision elements
- Enhanced yields by 40%
- Comes with a 6-foot long cable
- 120V standard power source
- The needle valve is highly sensitive
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If you are particularly looking for a co2 regulator for the hydroponics system, the Oppolite Hydroponics CO2 Regulator is your best choice. Like some of the other options, even this one comes built with precision elements with a flow gauge and solenoid valve for easier usage.
Aside from the durable construction of the regular, the device is also integrated with a high-quality and long power cord that makes it easier for you to plug it in without any issues. You also get 5 meters of free plastic tubing.
The best thing about this co2 regulator is that it helps maintain and regulate the co2 levels inside the grow rooms to ensure optimal growth of the hydroponics. It can improve the growth rates and eventually ensure the better viability of the plants that you are growing.
However, one downside to this product is the fact that it comes with no input about the warranty of the product. Also, the instructions are a little hard to follow at times.
- Multipurpose settings and usage
- Helps maintain and regulate co2 levels
- Ensures optimal growth of the plants
- Ideal for grow tents and greenhouses
- Compact design
- Doesn’t come with warranty details
Another worthy co2 regulator worth looking into is the Manatee Co2 Regulator. Unlike the other ones, it comes with a host of additional features and functions that makes this an ideal option for introducing to the highly sensitive grow rooms.
If you are growing cannabis, this regulator is hands down the best option in the market. It fastens up the growth rate of the plant and reduces the risks of further damage to the plant by enhancing their metabolic rate in no time at all.
The regular itself is made with heavy-duty brass material that ensures a long-lasting finish unlike anything else. The entire system comes with a combination of a co2 generator, a flow gauge, and a solenoid valve.
It is also backed with a separate precision regulator that comes in handy when you are trying to maintain the pressure levels inside the grow room. The heavy pressure flow from this regulator enables the outflow of up to 15 cubic feet of co2.
The solenoid valve is another winning factor in this product that enables the product to work with seamless electronic timers. It ensures a steady output of co2 when the light is switched on. It is one of the few co2 regulators that come with 10 feet air hose with a power cord for optimal regulation of the co2 levels.
- Reliable flow rate
- Solid brass construction
- Proper humidity control too
- Faulty flow gauge
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If you are particular about the budget and want something more reasonable price, the Cartener Hydroponics Co2 regulator is a good option. The product is made with precision elements ensuring that you wouldn’t have to regret investing in it.
It is highly functional and of good quality for the grow rooms, grow tents and works equally well with other indoor garden settings. It enhances the overall co2 growing environment, enabling the users to see the results right in front of their eyes.
The package or the entire kit comes with a precision regulator, flow gauge as well as the best quality solenoid valve. It also comes with the additional 6-foot power cable with a separate airline for a smoother flow of the co2 without any obstructions.
The regulator is also compatible with the 120 V power supply, making it ideal for usage anywhere across the world. It is extremely important for indoor plants that need highly sensitive growth settings to grow.
- High functional and precision engineering
- Suited for grow tents and hydroponics
- Comes built with a heavy-duty solenoid valve
- Installation is a little tricky
An Ultimate Buyer’s Guide To Choose the Best Co2 Regulators for Grow Room
Growing plants inside a grow room or grow tent requires proper maintenance and necessary equipment. You have to maintain optimum temperature and pressure settings for the plant to grow well. Regulating CO2 is one of the important aspects while growing plants in a grow room. Sensitive plants like cannabis plants will grow only on perfect CO2 regulation. Here comes the role of CO2 controllers or regulators. If you’re not sure what to look for while buying a CO2 regulator, follow the below tips:
1. Material durability
Durability is an important factor to consider no matter what product you buy. When it comes to CO2 regulators, the durability of its material matters the most as it decides the lifespan of your regulatory device. Make sure the CO2 controller or regulator you purchase is of superior quality and durable material. CO2 controllers come in three popular materials. This includes plastic, aluminum and brass. It is recommended to prefer brass over plastic or aluminum as brass material will not affect your plant in any way and protect all the internal components of the device. You can prefer plastic or aluminum only if they are of high quality. Brass is highly durable and long-lasting.
2. Compatibility factor
Next, look for the compatibility of the CO2 regulator with the plants and grow tent you are going to use. Although most of the CO2 regulators support almost all kinds of plants, just give a decent check before you buy the device as you do not want disappointment after the purchase. Some people may use CO2 regulators even for their fish tanks. If you are going to use it for dual or multiple purposes, make sure the CO2 controller is compatible with all the necessary items, with which you are going to use it.
3. Type of valve & gauge
If you didn’t know, CO2 regulators come with two different types of valves. They are Motorized valves and Solenoid valves. We suggest you prefer a Solenoid valve for high efficiency. The solenoid valve will control the flow of CO2 from the regulator. Concerning the flow gauge, there are single and dual gauges. You can choose the gauge type depending upon your requirements. Apart from the valve and gauge, make sure the CO2 regulator comes with enough adjustability options for flexible usage. The functions of the regulator should be sufficient enough to control temperature and air settings inside the grow room.
4. Display & sensor
The CO2 regulator must come with a clear display for you to read pressure & other readings. You can go for a Regulator with either a digital LCD or an analogue glass screen display. Both will clearly show readings for people of any age group to handle the device. You can opt for the device, which automatically self-calibrates to decrease the adjustments you have to do in the settings. The sensor of the CO2 controller should work with high Precision, as your entire grow tent & plants depend on the CO2 regulator for exact readings. Everything can go wrong if the sensor readings are inaccurate. So, make sure the sensor is of superior grade and comes with accurate pressure, temperature, and air readings.
5. Grow tent size
Apart from reviewing the features and functionalities of the CO2 regulator, you should also check out the size of your grow room or grow tent and buy a CO2 regulator accordingly. If your grow room is larger, you might have to purchase two or more CO2 units as one will not be enough to cover the large space of the grow room. Some people do not know this factor and buy a single CO2 regulator for a large room. This will not cover the entire space and many numbers of plants you are growing. So, measure the size of the grow room before buying CO2 regulator units. For a smaller space, one CO2 regulator will be sufficient.
6. Warranty & Price
Here come two important practical features you have to consider before deciding on the CO2 regulator. First, plan your budget. CO2 regulators come in various price ranges and models in the market. If you plan your budget first, it will avoid confusion. You can just buy the best regulator that fits your budget range. Also, look for the warranty aspect while choosing the CO2 regulator. Warranty is a must for electrical devices like a regulator. This will help you save your money in case of any technical issues in the future. You can also check if the brand provides customer support.
1. What kind of carbon regulators is optimal for a 4×4 grow tent?
It is no doubt that the 4×4 grow tents are the most commonly found types of grow tents in the market. So, the product is also one of the best around. If you are getting carbon filters, invest in the 4-inch carbon filter option along with the adjustable co2 regulator for optimal growth of the plants without any interruptions.
2. What to look for before but co2 regulators?
Aside from the quality of the item, there are a few other factors that one needs to keep an eye out for. Out of them, the type of flow gauge is quite crucial. It depends on whether you want a single or a dual flow gauge. Moreover, look for the products that come with high adjustability options because that matters just as much. Keeping a check on the quality of the item is also quite important.
3. Why are co2 regulators necessary for grow rooms?
If this is your first time playing around with some indoor plants for your grow rooms, there are a lot of things you wouldn’t know. Having a co2 regulator is optimal for the growth of the plants and for preventing the risks of any further damage. These regulators are particularly designed to release the necessary amount of co2 needed in the grow tent.
4. How does the co2 regulator help with plant growth?
So, you have heard from a friend that installing a co2 regulator does well for the grow rooms. But, how does it help? Lack of proper levels of co2 inside the grow rooms can lead to stunted growth and enhance the overall toxicity levels in the plants that a co2 regulator can get rid of over time.
Having a co2 regulator inside your grow room is extremely important. Not only does it help reduce the risks of affected growth of the plant, but it also maintains the optimal temperature and gas settings inside the grow room that is essential for optimal growth of the plants without any negative impact. With so many available options in the market, finding the right one does become a hassle. Don’t worry though, we have sorted out some of the best options that will suffice your needs. Just make sure that you check the features and pick out the one that best suits your needs.
A rotating team of writers and editors dedicated to providing reliable information for the readers of American Promise. We’re all passionate about cannabis and actively engaged in this “budding” industry.