1 2

CO2 Bubble Counter

CO2 Bubble Counter

A clear visual gauge that lets you see and count the gas bubbles, so you can perfectly adjust the exact amount of co2 entering your tank.
Feature icon 1

Fast and cheap

Feature icon 2

Perfect for planted aquariums

Feature icon 3

24/7 Live chat and support

$19.95
$19.95
Save $-19.95 Sold out
Product carousel image
Product carousel image
Product carousel image

Details

Specifications and Compatibility

A must-have for any planted aquarium. Simply install the DALUA CO2 Bubble counter onto the DALUA CO2 Regulator. Precisely measure your CO2 injection and make sure you're on track with the CO2 Indicator Kit.

Includes: Bubble Counter

Recommended For

Nature Aquariums, high-tech planted systems, aquascaping layouts, shrimp tanks and aquarists seeking more precise and repeatable CO₂ management.

SHIPPING INFO

Fast and cheap

FAQ

Q: What is a CO2 Bubble Counter used for?

A: A CO2 Bubble Counter is used to visually measure and monitor the flow rate of CO2 being delivered into a planted aquarium.

Q: Why is a bubble counter important?

A: It helps you accurately adjust and maintain consistent CO2 dosing, which is essential for healthy plant growth and livestock safety.

Q: How does a CO2 bubble counter work?

A: CO2 passes through water or fluid inside the counter, allowing you to see individual bubbles and estimate the injection rate.

Q: What is a good bubble rate for planted aquariums?

A: The ideal bubble rate varies depending on tank size, plant density, and CO2 demand. Most aquarists start slowly and adjust gradually based on plant growth and livestock response.

Q: Is a bubble counter suitable for all planted tanks?

A: Yes, it is suitable for nano tanks, aquascapes, and larger planted aquariums using pressurised CO2 systems.

Q: Does a bubble counter measure exact CO2 levels?

A: No, it measures CO2 flow rate rather than dissolved CO2 concentration. A CO2 drop checker or indicator is recommended alongside it.

Q: Where should I install the bubble counter?

A: It is typically installed inline between the CO2 regulator and diffuser or reactor.

Q: Do I need to fill the bubble counter with liquid?

A: Yes, most bubble counters require water or a suitable bubble counter fluid to make the bubbles visible.

Q: Is it easy to install?

A: Yes, just click it onto the CO2 Regulator.

Q: Can beginners use a bubble counter?

A: Absolutely. It is one of the most useful tools for safely setting up and tuning a CO2 system.

Q: Will it help prevent overdosing CO2?

A: Yes, monitoring bubble rate helps reduce the risk of injecting excessive CO2 into the aquarium.

Q: Is a bubble counter necessary if I already have a regulator?

A: Yes, the regulator controls pressure, while the bubble counter allows you to visually fine-tune and monitor CO2 flow.

Q: How do I clean a CO2 bubble counter?

A: Periodic cleaning with warm water helps remove buildup and keeps bubbles clearly visible.

Q: Is it compatible with most CO2 systems?

A: Most aquarium bubble counters are compatible with standard CO2 tubing and planted tank setups.
View full details

  • Fast and cheap

  • Perfect for planted aquariums

  • 24/7 Live chat and support

  • Over 100,000 happy aquariums

Bubble Counter


Monitor CO₂ output with ease using the bubble counter. This feature provides a clear visual indication of CO₂ flow, making it simple to fine-tune your system for optimal aquarium conditions.


CO₂ Bubble Counter

Designed Around Consistent Carbon Delivery

In planted aquariums, stability often matters more than intensity. Plant growth responds not only to available CO₂, but also to how consistently that carbon remains available throughout the photoperiod. Small fluctuations in injection rate can gradually influence plant performance, algae pressure and overall system balance.

The CO₂ Bubble Counter was developed to provide a simple visual reference for monitoring gas delivery and maintaining repeatable injection rates over time.

Rather than estimating flow or making adjustments blindly, the system creates a measurable reference point that allows changes to be observed and reproduced with greater confidence.

The result is a CO₂ system that becomes easier to tune, maintain and stabilise.

Repeatability Creates Stability

High-performance planted systems often rely on consistency across multiple variables including lighting, nutrients and carbon availability.

Without a visible reference, subtle changes in gas delivery can go unnoticed during routine operation. Changes in cylinder pressure, regulator adjustment or maintenance can gradually influence injection rates over time.

A Bubble Counter creates a visual benchmark that allows CO₂ delivery to be monitored and adjusted with greater precision.

Fine Adjustments Become Easier

Aquarium systems rarely require identical CO₂ settings. Plant density, lighting intensity, circulation and aquarium volume all influence carbon demand.

By providing a visible flow reference, smaller adjustments become easier to identify and repeat. Rather than relying on guesswork, injection rates can be modified incrementally and monitored more consistently.

This becomes increasingly useful in higher-demand planted systems where carbon stability directly affects plant growth.

Designed for Everyday System Monitoring

Effective aquarium systems benefit from feedback and repeatable control.

The Bubble Counter becomes a simple monitoring point within the CO₂ system, helping aquarists maintain stable operation while reducing uncertainty during adjustment and maintenance.