---
product_id: 407128158
title: "B&K Aluminum Alloy CO2 Bubble Counter with Check Valve for Aquarium Carbon Dioxide Measurement Device (Double Head)"
brand: "generic"
price: "R$178"
currency: BRL
in_stock: true
reviews_count: 2
category: "Generic"
url: https://www.desertcart.com.br/products/407128158-b-and-k-aluminum-alloy-co2-bubble-counter-with-check
store_origin: BR
region: Brazil
---

# Check valve prevents backflow damage Visible CO2 output for precise monitoring Durable aluminum alloy build B&K Aluminum Alloy CO2 Bubble Counter with Check Valve for Aquarium Carbon Dioxide Measurement Device (Double Head)

**Brand:** generic
**Price:** R$178
**Availability:** ✅ In Stock

## Summary

> 🌿 Elevate your aquarium game with precision CO2 control!

## Quick Answers

- **What is this?** B&K Aluminum Alloy CO2 Bubble Counter with Check Valve for Aquarium Carbon Dioxide Measurement Device (Double Head) by generic
- **How much does it cost?** R$178 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/407128158-b-and-k-aluminum-alloy-co2-bubble-counter-with-check)

## Best For

- generic enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from premium aluminum alloy for strength and effortless installation or removal.
- • **Backflow Protection:** Integrated check valve safeguards your CO2 bottle and pressure gauge from costly damage.
- • **Optimized Bubble Rate:** Recommended 2-3 bubbles per second to maximize plant growth and aquarium health.
- • **Crystal Clear CO2 Flow:** Instantly see and control your aquarium’s carbon dioxide levels for thriving aquatic plants.
- • **Universal Compatibility:** Fits G1/8 trim valves and 4*6mm air pipes, ensuring seamless integration with your existing setup.

## Overview

The B&K Aluminum Alloy CO2 Bubble Counter with Check Valve is a robust, easy-to-install device designed for precise carbon dioxide measurement in aquariums. Featuring a visible bubble output, universal fitting options, and a built-in check valve to prevent backflow, it ensures optimal CO2 supply for healthy aquatic plants while protecting your equipment.

## Description

✅ Description:VISIBLE CO2 OUTPUT: The output of carbon dioxide can be seen clearly, so that better supply sufficient CO2 for water plants.SUITABLE FOR: G1/8 interface trim valve fits for the single head solenoid valve. If not the G1/8 interface, fits for the 4*6mm air pipe (inner diameter 4mm and outer diameter 6mm).DURABLE AND EASY TO INSTALL: Be made of aluminum alloy material, strong and sturdy. Also, easy to install and disassemble.INSTRUCTION: CO2 source-trim valve-solenoid valve- bubbler counter-air tube-bubble diffuser-fish tank, pay attention to the CO2 flow direction during installation.WITH CHECK VALVE: With non-return function to prevent the backflow when the pressure changes, and this can ensure the water pressure gauge and CO2 bottle from damage.✅ Specification:Name: Bubble counter with check valveColor: Silver transparentMain material: Aluminum alloy acrylicOptional type: Single head/double headSingle head: Can connect to the trim valve, G1/8 interface onlyDouble head: Connect to the 6*4mm(inner diameter 4mm,outer diameter 6mm) air pipeSize:Single head: 20*80mmDouble head: 20*89mm✅ Note:In the lush water tank, it is recommended to play 2-3 CO2 bubbles in 1 second.✅ Package Information:Package size: 10*2.5*2.5cmPackage weight: 30gPlastic Packaging✅ Package List:1* Bubble counter with check valve

Review: 👍 - Very good
Review: As described - Good quality and works as described

## Features

- ☑️ VISIBLE CO2 OUTPUT: The output of carbon dioxide can be seen clearly, so that better supply sufficient CO2 for water plants.
- ☑️ SUITABLE FOR: G1/8 interface trim valve fits for the single head solenoid valve. If not the G1/8 interface, fits for the 4*6mm air pipe (inner diameter 4mm and outer diameter 6mm).
- ☑️ B&K DURABLE AND EASY TO INSTALL: Be made of aluminum alloy material, strong and sturdy. Also, easy to install and disassemble.
- ☑️ INSTRUCTION: CO2 source-trim valve-solenoid valve- bubbler counter-air tube-bubble diffuser-fish tank, pay attention to the CO2 flow direction during installation.
- ☑️ WITH CHECK VALVE: With non-return function to prevent the backflow when the pressure changes, and this can ensure the water pressure gauge and CO2 bottle from damage.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09KCL2JYR |
| Brand | Generic |
| Brand Name | Generic |
| Customer Reviews | 4.7 out of 5 stars 5 Reviews |
| Item Form | Tube |
| Item Weight | 0.02 Kilograms |
| Item form | Tube |
| Item weight | 0.02 Kilograms |
| Manufacturer | B&K PET Shop |
| Target Species | Fish |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Generic
- **Item weight:** 0.02 Kilograms
- **Item form:** Tube
- **Manufacturer:** B&K PET Shop

## Images

![B&K Aluminum Alloy CO2 Bubble Counter with Check Valve for Aquarium Carbon Dioxide Measurement Device (Double Head) - Image 1](https://m.media-amazon.com/images/I/51DY7c86sLL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 👍
*by A***I on 3 June 2025*

Very good

### ⭐⭐⭐⭐⭐ As described
*by S***O on 4 October 2024*

Good quality and works as described

## Frequently Bought Together

- B&K Aluminum Alloy CO2 Bubble Counter with Check Valve for Aquarium Carbon Dioxide Measurement Device (Double Head)
- Seachem Prime 100 Ml, Tap Water Conditioner For Fresh & Salt Aquarium
- Seachem Flourish 100 ml Fertilizer Supplement For Aquarium Plant

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**Shop now:** [https://www.desertcart.com.br/products/407128158-b-and-k-aluminum-alloy-co2-bubble-counter-with-check](https://www.desertcart.com.br/products/407128158-b-and-k-aluminum-alloy-co2-bubble-counter-with-check)

---

*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-03-06*