

🌿 Elevate your aquarium game with precision CO2 control — because your plants and fish deserve the best!
The FZONE Pro Series Aquarium Dual Stage CO2 Regulator offers stable, adjustable CO2 output (0-65 PSI) with a dual-stage design that prevents end-of-tank dumps. Featuring modular manifold blocks for multi-tank setups, a high-precision needle valve for fine bubble control, and a quiet, energy-efficient 12V DC solenoid, this regulator is engineered for serious aquatic plant enthusiasts seeking reliability, safety, and ease of use. Compatible with North American CO2 cylinders (CGA320 adapter included), it’s a professional-grade solution that transforms your aquarium into a vibrant underwater oasis.










| ASIN | B0838KXK5D |
| ASIN | B0838KXK5D |
| Best Sellers Rank | #33,695 in Pet Supplies ( See Top 100 in Pet Supplies ) #105 in Aquarium Air Pump Accessories |
| Brand Name | FZONE |
| Customer Reviews | 4.3 4.3 out of 5 stars (613) |
| Date First Available | May 22, 2020 |
| Date First Available | May 22, 2020 |
| Directions | [PR] To use the FZONE Pro Series Aquarium Dual Stage CO2 Regulator, follow these steps: 1. Connect cylinder to regulator using a CGA320 adapter. 2. Adjust output pressure knob, depending on your plants' needs (0-65 PSI). 3. aquarium proof tubing. 4. Use high-precision needle valve adjust as low 1 bubble every 3 seconds. 5. DC solenoid an automatic timer coordinate with aquarium's light schedule. 6… |
| Is Discontinued By Manufacturer | No |
| Item Dimensions LxWxH | 7.56 x 2.56 x 6.69 inches |
| Item Package Dimensions L x W x H | 9.37 x 7.01 x 3.98 inches |
| Item Weight | 2.4 pounds |
| Item model number | 2020pro |
| Item model number | 2020pro |
| Manufacturer | FZONE |
| Manufacturer | FZONE |
| Product Dimensions | 7.56 x 2.56 x 6.69 inches; 2.4 Pounds |
| Target Audience Keyword | fish |
A**X
Takes the hobby to the next level. Super easy, safe, sharp and splendid.
Well I’m so glad a friend of mine who’s super experienced with planted tanks recommended this brand. Not only is this regulator way more affordable than others but the product is pure quality and comes with all the features you want with a high end regulator. Super easy to set up, twist it onto your co2 tank, push on your co2 tubing and push the other end to whatever diffuser you’re using, plug in the regulator, twist on the co2, get the bubbles per second you want and boom, or should I say done, no pun being intended. For me it was especially worth getting the pro model so that I could have the dual checks to stop any end of tank dump and protect my fish. I spent way more than the difference between regulators so why not spend a little more for the peace of mind. It’s also super aesthetically pleasing. Also, I wanted the option to be able to move the regulator around to different tanks if I wanted, particularly multiple 10 gallon grow out tanks I set up in the garage (with the families blessing lmao). This regulator lets you add modules so you can run multiple co2 lines to multiple tanks so you’re not having to get some splitter to attach onto a regulator which would just be opening yourself up to more issues rather than just getting a regulator from the start that allows you to add modules and grow into. I already moved mine from my 55 gallon to my 6 grow tanks and am just going to pick up another regulator. The only downside is you might end up with a few more tanks like me but even friends outside the hobby appreciate seeing 6 grow out tanks that end up looking like dutch style rainbows or epiphyte jungle scapes with the help of co2. I have a near embarrassing amount of houseplants but aquatic plants still blow me away. It’s definitely a game changer, both co2 and having a regulator that is jammed pack with these features. Oh and I recommend just going to your local homebrew store and picking up a 10 lb co2 tank. It looks absolutely incredible with the regulator and it lasts forever. It beats the crap out of anything else on the market both above and below it’s price point. Last thing I’ll say is to the people who are thinking about taking their first steps into co2. Do it. It takes a humble yet beautiful fish keeping hobby to a place where you and your fish are so so much happier. The sheer ease to which you’ll grow plants will make you feel unstoppable and your fish will color up, display brilliant natural behavior and you’ll just get so much more satisfaction seeing an underwater world that you just want to cozy up in or go explore. Anyway, this regulator knocked it out of the park for me. Great company, great selection and dope product. Dang didn’t mean to write so much but I’m friggin pumped.
J**M
Good CO2 Regulator for the money !!!
I normally don't write reviews but I thought this product was worthy of people knowing more about it. I had a very expensive CO2 Regulator that began to leak so I started investigating new regulators. I was pleasantly surprised when I saw the price on this one compared to my current one. For a dual stage regulator this is really a good deal. I use it for my aquarium plants so it was important that it had a needle valve to control the flow of CO2 and the dual stage helps prevent end of co2 tank issues. So I have been using this for over a week now. It is working very well. It is constructed well with what seems like quality components. I was a little nervous about shipping such an item but the packaging was great. The regulator was easy to install on my current CO2 tank. I was able to get it running within 15 minutes. The needle valve you need to play with a bit to get the # of bubbles you want, but once it was dialed in to what I wanted it so far has been very consistent. The only small drawback is the two pressure dials are on the smaller side. I was used to bigger gauges but I am starting to get used to it and really overall for the price of this it is a very small inconvenience. I was a bit skeptical that I could get a decent CO2 reg. for the price. I so far think this regulator is far better then "decent" ... it is actually pretty good for the price.
R**M
Excellent option for CO2 injection for a larger tank.
I have been involved in the aquarium hobby for several decades, but this is the first time I have ventured into the use of CO2 injection for a planted aquarium. I have a 55 gallon freshwater tank that is heavily planted and moderately stocked with fish. I have adequate lighting and add fertilizers to the tank, but needed a source of carbon to facilitate plant growth. After extensive research into various options, I decided to use CO2 injection from a standard 5# CO2 tank, FZONE regulator and a ceramic diffuser. I chose the FZONE Pro Dual-stage regulator for a number of specific reasons. 1. This regulator comes with a standard CGA320 connector that screws onto standard CO2 tanks like the 5# tank I chose. Should you wish to use this regulator with smaller tanks such as paintball tanks, Soda Stream tanks, or even disposable tanks, adapters are available to do so. However, for a 55 gallon tank and larger, standard CO2 tanks are more cost effective. 2. The regulator comes with two stages of regulation and two gauges to monitor tank pressure and delivery pressure. Furthermore, the delivery pressure is adjustable. The dual stage regulator keeps the delivery pressure constant and avoids the possibility of a end of tank surge of CO2 which can harm livestock in the tank. Thus, I do not have to monitor tank pressure on a daily basis. Many regulators come with two gauges but are only a single stage of regulation. Some mini regulators come with only one gauge. Some regulators come with a non-adjustable delivery pressure. 3. The regulator comes with a solenoid that operates on a 12v DC power supply. That is safer than a 120V solenoid when you are working near water. If the power supply does fail, it is easily replaced as 12 VDC power supplies are commonly used for a variety of applications. I have the power supply plugged into a timer such that the CO2 comes on 2 hours before my lighting in the morning and turns off 1 hour before the lights turn off. That insures the plants have an adequate supply of CO2 during the high-growth period, but CO2 does not build up to excessive levels at night when plants cannot consume it. The solenoid does cut off the CO2 flow completely when the power is off. 4. The regulator comes with not just one, but two needle valves and accompanying bubble counters with check valves built in. These appear to be precision machined valves that provide precise control over the CO2 flow. They seem to be quite stable in that when the CO2 comes on in the morning, the flow rate is the same as it was the previous day. I have mine set for about 90 bubbles per minute, but you might need more or less depending upon your tank size, water chemistry and plant requirements. I am only using one of the needle valves, but you can connect a second tank, or reserve it as a spare in case the first one fails. The check valve insures that tank water does not back up into the needle valve and regulator when the CO2 flow is stopped at night. This avoids one potential maintenance issue. 5. When I had my CO2 tank filled, the supplier provided a couple of nylon washer. However, I found that these washer were not thick enough to provide a good seal between the tank and the regulator. The thicker washer provided with the regulator worked perfectly. 6. I have not had the unit long enough to verify its long term durability, but considering I should only have to refill the CO2 tank every 4-6 months and I do not have to make routine adjustments to the needle valve, I predict that the system will last a long time. The most likely maintenance issues may be the solenoid and power supply; both of these are easily replaceable should the need arise. 7. Lastly, the system seems to be fairly priced. Most dual-stage regulators are significantly more expensive than the FZONE. Since I have not used CO2 injection previously, I did not want to spend $200-300 for a regulator alone. I do recommend this unit to anyone with a 40 gallon and larger tank who wants to begin using CO2 injection. For tanks smaller than 40 gallons, this is probably more system than is required, but it suits my 55 gallon setup quite well.
T**O
Bom produit on réglé bien le numéro de bulle
A**I
Ottimo. Uso da tempo
N**O
1 month review: I bought this CO₂ regulator for my indoor greenhouse room, not an aquarium and I couldn’t be happier with it. I went down a rabbit hole trying to figure out which regulator to trust. There’s a ton of sketchy stuff out there, and after reading endless forums and reviews with conflicting information everywhere, I was nervous to even purchase one. But I’m really glad I decided on this one. The build quality is excellent. It feels solid, heavy, and well machined. No leaks at all after testing weekly. Everything sealed properly the first time, and it works perfectly. One of my favourite stand out features is the dual-stage regulator. This is important in maintaining steady pressure as the tank starts to empty. Low tank levels beyond a certain threshold in cheaper single-stage units trigger the regulator to dump out the remaining CO2 gas in highly concentrated quantities into your controlled environment. They call it the “end-of-tank dump”. If planning to use on a greenhouse, I am using an Inkbird controller with a built in solenoid that automates my CO2 schedule according to light. This add on device controls the release of CO2 by opening and closing the release valve to stay within the preset desired range. This regulator works great with it. The solenoid opens and closes exactly when it should, and the bubble rate has stayed consistent day after day. After all the stress of trying to find the right one I am happy I landed with this one. I will provide a later update as the product gets used more.
J**Z
Un conjunto de buena calidad, bien empaquetado.
P**K
Très bon produit qui permet de doser avec précision la quantité de CO2 envoyée dans deux aquariums différents. La finition est très bonne. Malheureusement, les réglages manquent un peu de précision.
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