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🌿 Elevate your aquarium game with precision CO2 control—because your plants deserve the best!
The FZ-0100 is a modern aquarium CO2 regulator featuring a 12V DC split-type solenoid for enhanced safety and stability. Designed for precision, it delivers CO2 at a fine-tuned rate of one bubble every three seconds, supported by upgraded leak-proof seals. Included bubble counter with check valve allows accurate flow monitoring and prevents backflow. Crafted from durable aluminum alloy with ergonomic knobs, it comes with all necessary installation tools and a one-year warranty, making it a reliable choice for serious aquatic plant enthusiasts.















| ASIN | B07QFT69P8 |
| Best Sellers Rank | #29,818 in Pet Supplies ( See Top 100 in Pet Supplies ) #86 in Aquarium Air Pump Accessories |
| Brand | FZONE |
| Brand Name | FZONE |
| Customer Reviews | 4.2 out of 5 stars 1,639 Reviews |
| Item Form | Gas |
| Item Weight | 0.9 Grams |
| Manufacturer | FZONE |
| Manufacturer Part Number | FZ-0100 |
| Model Number | 748323719468 |
| Target Species | Fish |
| UPC | 748323719468 |
| Unit Count | 1.00 Count |
| Warranty Description | 1 year manufacturer |
J**N
Buyer be aware******Update*******
Buyer beware. This regulator solenoid does not shut off CO2. Soon as the product arrived, I read the instructions and installed the regulator on my 5lb CO2 tank. Right out the box, the solenoid was faulty and does not shut off the CO2. I then waited for over 4 hours to see if the bubbles in the bubble counter would stop. It did not. I then tried uninstalling the regulator and double checking my fittings. That did not solve the problem. I have to manually turn off the bubble counter for the bubbles to stop. I did a leak test. There were no leaks. Since my aquarium is still cycling, I have no livestock except for plants. Should I continue to use this regulator, IT WILL KILL MY LIVESTOCK. The instructions are very basic and provide no problem solving. There are some grammatical errors in the instructions and the instructions provide no pictures for reference. There is an Allen Key provided but no instructions on how or where to use this tool. Obviously, the durability of this product is simply not there. The accuracy, it may be accurate but it is very difficult to determine since the solenoid is faulty right out the box. The fit is perfect. Sadly, there are videos and reviews from others that have the same issue. Since some have this problem while others do not, you purchase this product on a gamble that perhaps yours may work. *****Update******* Change 1 star to 5 star. I was able to find a YouTube video by FZone Studios that shows how to take apart the solenoid to adjust the spring. Once I followed what the video instructed, the solenoid now works perfectly. What the video recommends is to take apart the solenoid, check for dirt/dust, unscrew the 2 screws to release the plate, then check the spring and stretch the spring a little bit. Reinstall the plate and solenoid and test to see if the solenoid shuts off the CO2. Once I did this, the CO2 shuts off within 5-10 minutes as the seller stated. The product works perfectly now.
C**S
Fzone company has top notch customer service
So when I first got this regulator it worked really well and I liked it then when I got my co2 tank refilled recently for whatever reason I came home to it not functioning properly and I didn’t realize it till the next day it didn’t shut my co2 off with the timer like it usually would and nuked my entire shrimp colony at first I thought it was the timer so I got a different timer when using a different timer didn’t fix it that’s when I realized the regulator was the problem so I unplugged it from the timer and it didn’t stop bubbling even with no power going to it so I started removing the hose so it can’t inject anything when I wanted it off and reattaching when I wanted it on and thought I found a solution well it stopped coming on entirely as of last week and that’s when I realized it had a 1 yr warranty since it was past the return date for Amazon so I emailed and messaged fzone on messenger to see which would be better to contact them from and they went above and beyond to help me they said they sent a replacement regulator out and even gonna send some free root tabs as a small gift and I really appreciate it I have no complaints with this company
R**.
Solid Quality, No Leaks, Separate Tubing Needed
I was honestly expecting issues based on some of the reviews—lots of people mentioned leaks—but that hasn’t been my experience at all. I’ve had this FZONE CO2 regulator running on my planted tank for a week now and the seal’s been completely solid. No hissing, no pressure loss, nothing. It’s holding a stable output and the fine control on the needle valve is better than I expected, especially for dialing in low bubble rates. One thing that caught me off guard is that it doesn’t come with any CO2-proof tubing. That feels like a bit of a miss. I already had some on hand from a previous setup, but if this is your first regulator, just know you’ll need to buy that separately. Not a dealbreaker, but something I wish was clearer upfront. All in all, if you’re careful with the setup and you use proper tubing, this regulator delivers. Solid build, no leaks, smooth output. I’d use it again on another tank without hesitation. Pros: – No leaks – Holds pressure well, even at low bubble rates – Solid build quality and smooth needle valve adjustment -Nice design Cons: – Doesn’t include CO2-proof tubing – Instructions could be clearer for beginners, including timing (be sure to turn off your co2 when the lights are off)
R**O
Minor hiccups but works perfectly now!
A good value for the dollar. I couldn't be happier with my purchase! The positives: -The adjustable valve allows me to adjust the flow of gas -The valves are accurate enough -The solinoid functions -Doesn't leak The negatives: -The seal where it connects to the tank likes to fall out. Maybe grease it? -The stock PSU is terrible but I got one that works now so that's a win in my book! Could you do better? Sure. For the price? Just buy this!
C**M
Almost killed my tank multiple times
almost killed everyone in my tank 3x. removed it and bought a different brand. everything is set properly for months, then suddenly the pressure increases to 50psi, fish all gasping for air at the water line.
J**.
Well built regulator for a larger tank and great customer support!!
I've been doing high-tech planted tanks for nearly a decade years now. When I bought this unit, I did a lot of research to find the best balance of price, quality, and size. Now that I have the FZone, I couldn't be happier, it is exactly what I was hoping for. Overall satisfaction with product: High Impression of build quality: High Product feels very solid. There is no plastic on it. I expect it will last for years to come. Impression of Needle Valve: High I’ve used a lot of needle valves over the years, and this one is the best I’ve used. It has fine grain control over the bubble count; and once set it does not seem to drift. I appreciated the inscription showing which direction to turn; as this is a frustrating guessing game on other regulators. Impression of Regulator: High Adjustment of the regulator is straightforward. Once set; it does not seem to gain or lose output pressure. Impression of Bubble Counter: High It looks clean, professional, and exactly like what you want on your showcase tank. Reading the bubbles is straightforward and consistent. Impression of Pressure Gauge: High The gauges are large, written in psi and kg/cm2, and easy to read. Having the second 'tank' pressure gauge helps identify when the tank is getting low, that way I have the chance to refill it before it runs out. Impression of Relay: High I appreciated the quick-disconnect near the relay; as my electrical strip/outlet is not easy to access. Impression of unboxing/accessories: High The packaging is what I would expect from a high-quality product. It includes a bottle wrench; which I was happy to have when I needed it. I was also pleased to see an extra set of o-rings was included; no manufacturer thinks to do this anymore. Impression of Customer Support : Very High I have reached out to Fzone with minor issues in the past. They responded very quickly and were very personable and helped me with my issue. I was very impressed. Just try to get that kind of customer service or product quality commitment from the big guys! Overall, it’s hard to not see that FZone wants to be the best in the industry. If they continue producing products like this and supporting their customers like they did for me in the past; I believe they will achieve it quickly.
J**Y
Works Well monthsbin
This works really well on a keg fridge tank that I wasn't using anymore. I would caution to start very low to get the bubble rate correct as this one seems to put more CO2 in the water than those DIY kits that use baking soda and citric acid. This is so much easier, cleaner, and more cost effective long term as well.
Z**.
Robust little unit
Coming back to write this review after owning it for about 4 years now, and consistently run for about 3 years (roughly about two 1.5 year stretches with a 6 month storage break in a hot garage). This unit is robust and has been pretty solid and it just works. Tonight, the o-ring failed on the unit (hissing at the bottle nozzle and I felt escaping CO2 at the connection between the unit and the CO2 bottle) and I was able to very easily replace the o-ring with the included spares and get the regulator back up and running within minutes. The construction of the unit is not to blame at all, it was just likely time for the o-ring to call it quits. The included extra o-rings are just a smart choice, and the unit overall has been running for about 1.5 years straight on an 8 hour on-16 hour off cycle with it's most recent stint. The solenoid does get very warm but it doesn't seem to have affected the operation over time. Overall I'm very happy with this purchase and the quality of the regulator.
G**.
Régulateur CO2
Bel appareil mais dommage que la notice ne soit qu'en anglais.
P**D
works great after replacement
hi i bought the FZONE Aquairum 12V DC Solenoid for Aquarium CO2 Generator with Bubble Counter and Power Adaptor but after connecting i discovered it had a small leak on the solenoid, after contacting the seller a very kind lady called Brianna promptly handled my problem by sending out a replacement which worked just fine.This Solenoid/Bubble Counter/Power Adaptor may not be the best in the world but for the price and excellent customer service?(brianna) you cant go far wrong.
C**O
Valvola a 12V per gestione erogazione CO2 completa di alimentatore
Valvola completa di contabolle da usare in uscita ad un sistema di erogazione (creazione) di CO2. Il contabolle è abbastanza facilmente regolabile. L'elettrovalvolva ha un cavetto connettorizzato che si alimenta a 12V con un alimentatore indipendente compreso nella fornitura. Io lo sto utilizzando pilotato da un sistema autocostruito che consente di spegnere ed accendere l'erogazione d CO2 in base a parametri preimpostabili. Per il momento, tutto funziona correttamente. Vedremo con il tempo. A dire il vero l'elettrovalvola è alquanto minuscola e, almeno la parte esterna visibile, è in plastica.
M**D
Électrovanne pour installer co2
Produit répondant à mes attentes….
F**.
Compacto y funcional.
La válvula es muy compacta, y tiene conexión rápida del cableado para facilitar su montaje, desmontaje y mantenimiento. Me dió un pequeño problema pero el vendedor me dió asistencia muy rápidamente y todo genial.
Trustpilot
3 weeks ago
5 days ago