FZONE Pro Series Aquarium Dual Stage CO2 Regulator Adjustable Output Pressure with DC Solenoid and Integrated High Precision Needle Valve and Bubble Counter

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.

My dual-CO2 regulator looks nice and operates smoothly. I've been using it in my 20 gallon planted tank for about 2 years until it was damaged in a move. FZone customer service has been very helpful in assisting me. They reviewed my issue and provided several, easy to follow instructions to try and get it working again. Never did they take more than a day to respond. When those methods they suggested did not work, they were quick to offer me a replacement. Me and my aquatic plants enjoy the product, and I really appreciate the way FZone responded when I needed help. Would recommend.

I’ve had the FZONE Pro Series CO2 regulator for a while now, and as a first-time CO2 user, it was actually really easy to set up and get running. Connecting it to the tank was easy, and dialing in the bubble rate wasn’t hard either. I like how easy it is to adjust and how stable it stays once it’s set. Being able to run multiple tanks is a big plus for me since I have five tanks. Some use CO2 and some don’t, and you can definitely see the difference in plant color and growth. Overall, it is a solid and reliable CO2 regulator, and I haven’t had any issues with it. Good option if you’re new to CO2. In the photos below, the tank with the black sand and rocks is the one running CO2—that’s what it looked like when I first set it up. The tank with the corys doesn’t use CO2, and you can definitely see a difference in the plant color (even though one has tannins and the other doesn’t). The photo with my betta is a bit older since he’s passed, but it still shows how big the difference can be between tanks with and without CO2.

Budget CO2 regulator that does the job. Star off for garbage solenoid. It never fully sealed shut. I was able to replace it with a 1/8" NPT pneumatic solenoid from Beduan that does seal completely. The needle gauges are touchy but once they're set, they're set. Overall solid construction.

I’ve been running co2 in my planted tanks for 6 years and am very impressed with the quality of this regulator! It’s as good as the “high end” regulators at a much better price. Setup was quick and easy. The needle valves allow very slight adjustment to really dial in the co2. This has especially been beneficial on my 4.6 gal tank because it has caridina shrimp that are more sensitive than others. I run the 2nd outlet on my 73 gallon. It’s been perfect for both!

This product is trash. I did a dark start and could have had fish day one but decided to wait a few more weeks to ensure the tank was in order, and I am glad I did. After one week the solenoid stopped working, meaning the co2 kept coming and never shut off! I noticed the next morning and my drop checker was pure yellow. ALL MY FISH WOULD HAVE DIED. After wasting days tinkering with it and trying to fix it I gave up and ordered a replacement. While I waited for it to arrive I had to manually close/open the valves and re adjust the bubble counter on my co2 each day twice a day at exact right times to try and maintain some sort of consistency in my tanks. My new plants that were trying to adjust suffered. Once my replacement arrived, I installed the new one, turned it on and drove to the store to return the bad one, guess what? 2 weeks later the new one is having the same issue! Not only is the solenoid junk but I noticed the bubble rates are inconsistent, even when it was working one day its 1 bps the next day its 1.5 or .5. I am done with FZONE. I am returning this junk and going to a pay the extra money for a premium GLA brand. Had I known the time sink and frustrations I would easily have paid the extra 100 bucks for a premium brand to rid myself of this headache.

Perfect, due to the high demand plants I have now, I needed a dual stage C02 regulator on my 75gallon aquarium, in order to have more evenly distributed c02 throughout the entire tank. My demanding plants are growing faster healthier. Also using FZone root tabs which is helping a lot. FZone again doing amazing work, awesome product no leak no issues. Definitely recommend.

There are a number of regulators out there for the aquarium use and they tend to fall into one of two categories: affordable and very expensive. The expensive ones ($400+) are usually the ones made by hobbyists who really know what they are doing. They use top of the line regulators and needle valves. The needle valves alone on those can cost more than this entire system. Those are hands down the best...but at the end of the day do they perform better? Not necessarily. This model from FZone gets the job done effectively. It delivers the CO2 your tank needs and offers the protection and convenience the more expensive ones provide. I would recommend this one to all but the most picky and discerning. What do I like about this one? -the manifold design is great for adding multiple aquariums and using one CO2 tank and regulator. This design makes it much easier than using splitters on other regulators. -It looks nice and is good quality. More on that later. -it is fairly reliable. The bubble rate and CO2 levels are consistent even after cycling on/off -The price is right! It is nearly identical to others out there. Many of the components are likely from the same factory. What is bad about it? -needle valves are terrible. Very hard to adjust CO2 rate. It works, but is hard to dial in. It need to barely apply pressure and I don't even detect it turning to fine tune it. Its probably a 1/100th of a turn or less to go from 30bpm to 60bpm. I am using it on a 5 gallon tank that needs 35-40 bubbles per minute (bpm). I did get it dialed in, but the needle on this has a high Cv factor. The Cv factor determines the flow rate. On the $100 needle/meter valves you can turn the dial a complete turn and go from 10bpm to 60bpm, maybe even less. Some of them top out around 120 or 180 bpm (2-3bps). A quality meter/needle valve with markings would be AMAZING and the single best upgrade. I may just do this on mine, its worth it. -the gauges are not the right range. The tanks we use are around 850PSI when full. We run 20-30PSI working pressure. The gauges should be 0-2000 for the tank and 0-100 (or less) on the working side. Gauges are most accurate around the 50% range. Both ends of the range are not accurate. With the pressures we use, these gauges are working in the less accurate range. So 25PSI today may not be 25PSI next time you have to adjust it. -The solenoid could use less power. It runs at 4.3 watts. My FZone mini runs at 1.3Watts. -The solenoid needs a light to indicate it is on (open). This was great on my my mini. I could easily see if it was open or closed. So thats it. Its a very good value and gets the job done. I would definitely pay more if they had a new version with good meter/needle valves with low Cv and gauges that are designed for the pressures used in aquarium CO2. However, at the end of the day I can get it dialed in and have it working for weeks/months and my plants and livestock won't care.

Benutze es um zwei Aquarium mit CO2 zu versorgen. Steht einem Namhaften Hersteller nichts nach. Alles dicht,gute Einstellungen, Optik 10 von10 und super Verarbeitung. Wirklich mal richtig empfehlenswert. Mit diesem Druckminderer macht man nichts falsch. Danke für das tolle Produkt. Gerne wieder

La verdad es muy util, bonito, funciona bien. Lo recomiendo de momento. Si pasa algo actualizare en un futuro.

Bom produit on réglé bien le numéro de bulle

Ottimo. Uso da tempo

The initial unit failed to stop the flow of CO2 through the de-energised solenoid valve seat. Fzaqua were prompt to engage, but cleaning advice made not difference and unit replacement as I requested, was lost in translation, taking a week to eventually resolve a series of misunderstandings. Anyway, the replacement unit worked perfectly out of the box, and Fzaqua were prompt to initiate a refund. In summary, a good, value for money product, but I seem to have been unlucky to receive a faulty one initially, but customer services were very fair and attentive, when misunderstandings were resolved. I would recommend the Fzone dual stage regulator based on price, build quality and customer service.