Carbon dioxide is an exhaust gas that is not desirable. Although it is useful in some instances, high concentrations of the gas are harmful to many, if not all living organisms. In grow rooms, for instance, CO2 is used by the plants for photosynthesis. The same plants excrete CO2 while respirating. Therefore, high concentrations of the gas in grow rooms is not desirable. You need a CO2 regulator in the grow room to ensure CO2 levels remain in healthy.

There are many types of CO2 regulators in the market. Getting the best one among them might not be a very simple task. Many people would not know what to look for in a great CO2 regulator. You should not worry though. We took our time to compile one of the best CO2 regulator reviews. The review will highlight the respective features of the various CO2 regulators, as well as their pros and cons. The aim of the review is to ensure you get the best CO2 regulator next time you go shopping for one. Below is a comparison table with best co2 regulators list.

Best CO2 Regulators 2019

PicNameCore FeaturesPrice
best co2 regulator for grow roomDay Night CO2 Monitor and Controller for Greenhouses
  • built-in light sensor

  • You can set it to maintain a particular level of CO2

  • built-in 110-240VAC 5A piggyback power cord.

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    best co2 regulator for grow roomHydroponics (Co2) Regulator Emitter System
  • brass construction

  • 5-meter-long plastic tubing

  • precise solenoid valve

  • best co2 regulator aquarium

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    best aquarium co2 regulatorsGROW1 CO2 Grow Room Environment Regulator
  • flow meter is adjustable to 0.5 - 15 cubic feet per hour

  • pre-set regulator

  • highly precise solenoid valve

  • best co2 system for planted aquariums

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    best cheap co2 regulator aquariumAcuRite 00613
  • Humidity monitor

  • Indoor thermometer

  • Digital hygrometer

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    best co2 regulator aquariumAmflo 24-25E-RET
  • Polyurethane Recoil Air Hose

  • Bend restrictors to reduce kinking

  • 1/4" male NPT swivel ends

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    best co2 system for planted aquariumsSPL Co2 Regulator Emitter System
  • 58¡± high pressure gauge

  • Inlet connection: cga-32

  • Accurate Solenoid valve

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    co2 regulator in grow roomProLabs CO2 Regulator
  • Precise solenoid valve

  • 4000PSI pressure meter

  • Full brass construction

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    how do you set up a co2 regulator for a grow roomCO2 Generator - Liquid Propane LP - Autopilot APCG8LP
  • Dual solenoid valves

  • Precision manufactured brass burners

  • Solid state electronic ignition module

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    how to use co2 regulator for grow roomEXHALE 365 - SELF ACTIVATED CO2 BAG
  • provides a 4x4 foot or 128 cubic foot space

  • 6 months are peak production

  • Pair of gloves included

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    1) Day Night CO2 Monitor and Controller for Greenhouses

    best co2 regulator for grow roomThe Day Night CO2 Monitor is a great CO2 regulator that is capable of handling large greenhouses and grow rooms. The regulator is able to enhance the CO2 levels during the day when its required, and suppress the levels during the night when it is not required.

    Features

    • It has a built-in light sensor
    • You can set it to maintain a particular level of CO2
    • It has a built-in 110-240VAC 5A piggyback power cord.

    Pros

    • The regulator is quite easy to use
    • It is strongly and robustly built
    • It can handle a large space

    Cons

    • You cannot turn off the light sensor features or bypass it when you do not need it.

    Opinion

    The Day Night CO2 Monitor is a great CO2 regulator. It is one of the best regulators in the review. The regulator is available on Amazon. It has attracted very impressive features. It is arguably the best co2 regulator for grow room.

    Check Latest Price On Amazon

    2) Hydroponics (Co2) Regulator Emitter System

    best co2 regulator for grow roomIf you need to control the levels of CO2 in your grow room with high precision, the Hydroponics (Co2) Regulator is your best bet. This system can control CO2 levels with a high degree of accuracy.

    Features

    • It has a brass construction
    • It has a 5-meter-long plastic tubing
    • It is fitted with a very precise solenoid valve

    Pros

    • The system has a strong construction
    • It controls CO2 levels very accurately
    • It comes at a pocket-friendly price

    Con

    • It cannot handle a large area

    Opinion

    The Hydroponics (Co2) Regulator does not fall short of much as far as a great CO2 regulator is concerned. It may be nowhere close to the ultimate C02 regulator, but it is up to the task. It is one of the best aquarium co2 regulators.

    Check Latest Price On Amazon

    3) GROW1 CO2 Grow Room Environment Regulator

    best aquarium co2 regulatorsThe GROW1 is yet another impressive solenoid regulator. The regulator delivers a high precision and accurate control too. It is a great option for a small or medium-sized grow room.

    Features

    • The flow meter is adjustable to 0.5 – 15 cubic feet per hour
    • It has a pre-set regulator
    • It features a highly precise solenoid valve

    Pros

    • The regulator has a robust build
    • It delivers high precision and accurate control
    • It is fitted with a tubing fan for easy distribution of the gases.

    Cons

    • The regulator cannot handle a large space

    Opinion

    The GROW1 CO2 regulator does not disappoint in many aspects. It is one of the best regulators you can get for your mid-sized grow room. It has a few misgivings, but its pros far outweigh the cons. It is the best cheap co2 regulator aquarium.

    Check Latest Price On Amazon

    Best CO2 Regulators 2019 – Buyer’s Guide

    The reviews above should give you a better picture of what a great C02 regulator is all about. Before you settle on any of the regulators above, you should consider a few factors first. The factors include;

    • Grow Room Size

    The regulators above can handle grow rooms of different sizes. You need a regulator that can comfortably handle the space that is your grow room. You need an even distribution of the produced gases in the room.

    • Cost

    The prices of the regulators vary widely. Ultimately, the prices of the regulators get to determine which regulator you take home. Take time to compare the various regulators that are within your budget and get the best one among them. You should be able to get the best regulator for the money you have.

    Conclusion

    The reviews and buying guide above should help you narrow down to your best suited CO2 regulator. Shopping for the best CO2 regulator should no longer be such a daunting task. Get one of these regulators and ensure your plants blossom.

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