---
product_id: 237798699
title: "Aquarium Co2 Regulator Aquarium DC Solenoid Bubble Counter and Check Valve Plant Grow DIY CO2 System W21.8 Side Open Cylinder"
brand: "fzone"
price: "102885CFA"
currency: XOF
in_stock: true
reviews_count: 13
category: "Fzone"
url: https://www.desertcart.sn/products/237798699-aquarium-co2-regulator-aquarium-dc-solenoid-bubble-counter-and-check
store_origin: SN
region: Senegal
---

# Dual 1.6-inch pressure gauges 12V DC solenoid, silent & cool 1 bubble/3 sec precision Aquarium Co2 Regulator Aquarium DC Solenoid Bubble Counter and Check Valve Plant Grow DIY CO2 System W21.8 Side Open Cylinder

**Brand:** fzone
**Price:** 102885CFA
**Availability:** ✅ In Stock

## Summary

> 🌿 Elevate your aquatic ecosystem with precision CO2 control—because your plants and fish deserve the best!

## Quick Answers

- **What is this?** Aquarium Co2 Regulator Aquarium DC Solenoid Bubble Counter and Check Valve Plant Grow DIY CO2 System W21.8 Side Open Cylinder by fzone
- **How much does it cost?** 102885CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/237798699-aquarium-co2-regulator-aquarium-dc-solenoid-bubble-counter-and-check)

## Best For

- fzone enthusiasts

## Why This Product

- Trusted fzone brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **All-Inclusive Setup:** Comes with bubble counter, check valve, and all installation tools—get your CO2 system running in under 10 minutes.
- • **Leak-Proof Durability:** Premium aluminum alloy body with advanced sealing materials guarantees zero leaks and long-lasting reliability.
- • **Precision CO2 Control:** Dial in your perfect bubble rate with ultra-fine needle valve accuracy—1 bubble every 3 seconds for optimal plant growth.
- • **Dual Pressure Monitoring:** Stay informed with large, easy-to-read dual gauges showing both cylinder and output pressure at a glance.
- • **Silent & Stable Operation:** Upgraded 12V DC solenoid ensures whisper-quiet, energy-efficient performance without overheating or buzzing.

## Overview

The FZONE Aquarium CO2 Regulator features a high-precision needle valve for ultra-fine CO2 flow control, a silent 12V DC solenoid for stable operation, and dual 1.6-inch gauges for real-time pressure monitoring. Crafted from durable aluminum alloy with upgraded sealing to prevent leaks, it includes a bubble counter with check valve and all necessary tools for quick, hassle-free installation. Ideal for millennial aquarium enthusiasts seeking professional-grade performance and reliability without the luxury price tag.

## Description

Product Description Benefits of Using CO2 Regulator in Your Fish Tank Healthy Looking Plant life. A known fact is that fish and plant life need to coexist in balance. The plants thrive on the carbon dioxide that is produced by the fish while the fish feed on plant matter and also take cover underneath. However, too much or too little CO2 will affect both plants and fish. Symptoms of lack of CO2 include plants that have pale leaves and stems, or stunted growth. This also means that the plants will be unable to properly aerate the environment or provide the right nutrients to the fish. Such negative situations are best avoided by installation of a quality CO2 system. Healthy Fish. CO2 plays a vital role in the life of fish. Too much or too little will not only harm the fish but may lead to the untimely death. Fish produce carbon dioxide during respiration. Too much CO2 in the water increases toxicity and affects the pH balance. Unfortunately, unless you are highly skilled in detecting or noticing the level of carbon dioxide, what you will see is sickly or dead fish. A CO2 regulator helps moderate the level of CO2 thus minimizing the negative effects. Combating Growth of Algae. Algae is one of the biggest threats for fish. The compound affects the life of fish by creating unhealthy environment that can cause disease to the fish as well as affecting other plant life. According to studies, carbon dioxide contributes to the growth of algae and also leads to excess ammonia which is dangerous for fish. Installing a system in the fish tank for monitoring carbon dioxide helps combat the negative effect. Fzone dual big gauge DC solenoid CO2 regulator is a great way to inject your aquatic haven Customized aquatic 12v DC split-type solenoid, more safe and stable than AC solenoid, NEVER noisy. Precision needle valve allows you smooth adjust the out CO2 flowrate, bubble counter allows you easy read flowrate. All tools included, easy to operate and assemble with all the tools included. Fzone Regulator Upgraded Version Solid made of all-metal material, durable and sturdy Modified Aquatic Solenoid for a silent operation Sealing technology assures no leaking issues Easy install, all tools and materials included to get started Output pressure pre-set, not adjustable. tank inner pressure affect output pressur. Inner 600-1100psi，output 20-45psi. Suitable for Europe W21.8 cylinder.(Does not fit paintball tanks, separate adapter required). It still needs to take 3-5mins to release all of the gas remained in the regulator, when the solenoid valve is power off. OR you can release the gas quickly by control micro-adjustable valve. What's in package? Regulator Instructions Sealing ring replacement Hex wrench Bubble counter with check valve DC 12V solenoid valve, high Performance, cool operating temperature Solenoid included, you can easily plug the solenoid into your timer to create a daily automated on/off schedule coupled with the lighting system. Customized aquatic 12v DC split-type solenoid, more safe and stable than AC solenoid. Low power consumption: 2.5 watts only. keeps the solenoid cool to the touch during operation. Modified solenoid to prevent overheating, buzzing, and allows the valve to open and close smoothly. High precision needle valve with bubble counter, easy to control your CO2 rate ● Precision needle valve included. The CO2 flowrate allowing to go as slow as 1 bubble per 5 seconds with our high precision needle valve. ● Bubble counter has a check valve to prevent any backflow of fluids to the solenoid. Upgraded Sealing Material Sealing material and structures have been updated to withstand temperatures between -45 to 90 degrees Fahrenheit. We have included extra sealing rings. Dual gauge for both inner tank and output pressure Dual 1.6inch gauge indicates working pressure and cylinder pressure. Left gauge shows output pressure. Right dial indicates CO2 cylinder’s inner pressure. Solid Meterial Used Regulator body is made of aluminum alloy. Gauges are made of stainless steel. Needle valves are made of copper electroplated to allow continuous usage without worrying about rust.

Review: perfect for the price! - I’ve been with FZone for about a year now, and my experience has been absolutely excellent from start to finish. Their customer service has always been professional, fast, and extremely helpful. Recently, I had a small issue, and they handled everything under warranty without any hassle at all, which really shows how much they care about their customers. The quality of their work and support is top-tier. You can truly see the dedication and excellence in everything they do. I highly recommend FZone to anyone looking for reliability, quality, and outstanding after-sales support. A huge thank you to the whole team for the exceptional experience!
Review: Premium performance without the markup! - I recently upgraded to this FZONE regulator, and I’m genuinely impressed! If you are looking for a high-quality CO2 setup but don't want to pay double for a "luxury" brand name, this is the one to get. Build Quality: Right out of the box, it feels incredibly solid. It has a heavy, professional-grade aluminum body and the gauges are clear and easy to read. It doesn’t feel like a "budget" tool at all. Accuracy & Performance: The needle valve is surprisingly precise. I was able to dial it down to exactly 1 bubble every 3 seconds with zero "drift" over time. The 12V DC solenoid is silent and stays cool to the touch, which is a huge plus. Ease of Use: It comes with everything you need—tools, extra O-rings, and a clear manual. Setup took me less than 10 minutes. Customer Support: I had a small question about the solenoid during installation, and the FZONE team got back to me almost immediately. Their support is top-tier and they clearly stand by their product. Bottom Line: Amazing value. It’s rare to find this level of accuracy and build quality at this price point. Highly recommended!

## Features

- Dual Big Gauge. 1.6 inch big dual gauge easy to read your cylinder inner and working Pressure
- Updated Split-Type DC Solenoid. Newest 12 DC split-type solenoid instead AC models, more safe and stable.
- High Precision Structure. This regulator is designed for the aquarium. High precision fine-tuning easy for co2 to be 1 bubble in 3 seconds. Upgraded sealing material avoid any leak
- Bubble Counter and Tools Included. Together with bubble counter, you can read your co2 flow rate. Bubble counter with check valve function, stop water backflow to bottle. All installing tools included, make all goes easy
- Class 1 Manufacturing Technology. Made of hard aluminum alloy, surface spraying treated. Pressure knob and fine tuning knob with knurled

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07QFT69P8 |
| Best Sellers Rank | 29,706 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 6 in CO2 Systems |
| Brand | FZONE |
| Brand Name | FZONE |
| Country Of Origin | China |
| Customer Reviews | 4.1 out of 5 stars 1,271 Reviews |
| Included Components | 1 x Double Mini Display Valve Body, 1 x 110V US Standard Solenoid Valve on the Valve Body, 1 x Fine Tuning Valve on Valve Body, 1 x Bubble Counter with Check Valve Function, 1 x Installation Tool |
| Item Weight | 0.9 Grams |
| Item weight | 0.9 Grams |
| Manufacturer | FZONE |
| Manufacturer Part Number | FZ-0100 |
| Model Number | 748323719468 |
| Number of Packs | 1 |
| Target Species | Fish |
| UPC | 748323719468 |
| Unit Count | 1.00 count |
| Unit count | 1.00 count |

## Product Details

- **Brand:** FZONE
- **Item form:** Gas
- **Item weight:** 0.9 Grams
- **Manufacturer:** FZONE
- **Unit count:** 1.00 count

## Images

![Aquarium Co2 Regulator Aquarium DC Solenoid Bubble Counter and Check Valve Plant Grow DIY CO2 System W21.8 Side Open Cylinder - Image 1](https://m.media-amazon.com/images/I/61cgmb2Lt6L.jpg)
![Aquarium Co2 Regulator Aquarium DC Solenoid Bubble Counter and Check Valve Plant Grow DIY CO2 System W21.8 Side Open Cylinder - Image 2](https://m.media-amazon.com/images/I/61QA7f7waPL.jpg)
![Aquarium Co2 Regulator Aquarium DC Solenoid Bubble Counter and Check Valve Plant Grow DIY CO2 System W21.8 Side Open Cylinder - Image 3](https://m.media-amazon.com/images/I/61HIMV-6FWL.jpg)
![Aquarium Co2 Regulator Aquarium DC Solenoid Bubble Counter and Check Valve Plant Grow DIY CO2 System W21.8 Side Open Cylinder - Image 4](https://m.media-amazon.com/images/I/61aDcvYn8YL.jpg)
![Aquarium Co2 Regulator Aquarium DC Solenoid Bubble Counter and Check Valve Plant Grow DIY CO2 System W21.8 Side Open Cylinder - Image 5](https://m.media-amazon.com/images/I/71Tiuyp+YTL.jpg)

## Questions & Answers

**Q: How do you fit this to a fire extinguisher**
A: remove extinguisher horn with a spanner.
fit regulator to coupling you have just removed the horn from, make sure to use supplied washer, tighten with spanner.

**Q: what connection is this cga320 or w21.8 and is it a uk plug as the listing and photos are conflicting with the advert?**
A: Sorry, it should be W21.8 cylinder.We will update the information ASAP.
And the W21.8 cylinder is suitable for EU plug.

**Q: Hi, i’ve just received this item. it works exactly the same if the solonoid is plugged in or not. is it defective or am i missing something? cheers**
A: Mine is exactly the same. Can the seller please supply valve strip and clean instructions?

**Q: Where do I buy compatible manifold blocks if i want to increase the number of outlets from a single tank of CO2?**
A: Amazon seems a good stockist

## Customer Reviews

### ⭐⭐⭐⭐⭐ perfect for the price!
*by M***A on 10 May 2026*

I’ve been with FZone for about a year now, and my experience has been absolutely excellent from start to finish. Their customer service has always been professional, fast, and extremely helpful. Recently, I had a small issue, and they handled everything under warranty without any hassle at all, which really shows how much they care about their customers. The quality of their work and support is top-tier. You can truly see the dedication and excellence in everything they do. I highly recommend FZone to anyone looking for reliability, quality, and outstanding after-sales support. A huge thank you to the whole team for the exceptional experience!

### ⭐⭐⭐⭐⭐ Premium performance without the markup!
*by P***O on 24 December 2025*

I recently upgraded to this FZONE regulator, and I’m genuinely impressed! If you are looking for a high-quality CO2 setup but don't want to pay double for a "luxury" brand name, this is the one to get. Build Quality: Right out of the box, it feels incredibly solid. It has a heavy, professional-grade aluminum body and the gauges are clear and easy to read. It doesn’t feel like a "budget" tool at all. Accuracy & Performance: The needle valve is surprisingly precise. I was able to dial it down to exactly 1 bubble every 3 seconds with zero "drift" over time. The 12V DC solenoid is silent and stays cool to the touch, which is a huge plus. Ease of Use: It comes with everything you need—tools, extra O-rings, and a clear manual. Setup took me less than 10 minutes. Customer Support: I had a small question about the solenoid during installation, and the FZONE team got back to me almost immediately. Their support is top-tier and they clearly stand by their product. Bottom Line: Amazing value. It’s rare to find this level of accuracy and build quality at this price point. Highly recommended!

### ⭐⭐⭐⭐ Fitment
*by D***N on 29 September 2025*

Fitted straight on to a standard CO2 bottle. Does the job.

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-06-18*