CO2 for Planted Tanks

CO2 in planted tanks without guesswork: how much to inject, how to measure it accurately, and how to push levels safely. Start with the fundamentals.

Best CO2 Diffusers | Diffusion Methods for Planted Tanks

Best CO2 Diffusers | Diffusion Methods for Planted Tanks

CO2 Diffusers, Atomizers, Reactors, what are the differences between these devices and what should I use? What are the pros and cons of each method - this page discusses all these and more.

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How to set up a CO2 system for the first time

How to set up a CO2 system for the first time

Read on to learn how to setup a CO2 system for planted tanks. This article explains what each part of a CO2 system does and how to connect up a CO2 system for the first time.

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Does having more light in a non CO2 injected planted tank improve growth rates ?

Does having more light in a non CO2 injected planted tank improve growth rates ?

Is there an advantage to using higher light levels in low-tech tanks? Will there be a significant improvement in growth without CO2 injection?

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How do I know if my CO2 levels are too much for my fish?

How do I know if my CO2 levels are too much for my fish?

Excessive CO2 can be stressful for livestock. These are ways to observe your livestock in Co2 injected planted tank.

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Gasping fish does not automatically mean that your plants are receiving good CO2 levels

Gasping fish does not automatically mean that your plants are receiving good CO2 levels

Gasping fish does not always mean you necessarily have good CO2 levels. This page explores the paradox of tanks with poor gaseous exchange, that suffer from both gasping fish and poor CO2 levels at the same time.

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Surface agitation & gaseous exchange in CO2 injected tanks

Surface agitation & gaseous exchange in CO2 injected tanks

Why surface agitation and having good surface turnover, and good circulation in your planted tank is necessary to inject CO2 at optimal levels.

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Is CO2 beneficial for low light planted tanks?

Is CO2 beneficial for low light planted tanks?

Read on to learn more about the benefits of CO2 for low light tanks.

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Top view of a rimless planted aquarium with colorful aquatic plants

Why choose to inject CO2 and have a 'high tech' tank?

What is a high tech planted tank? Should I spend the extra dollars for injected CO2? What are the pros and cons of going that route? This article discusses the considerations in depth.

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The wrong way to read the pH/KH chart.

The wrong way to read the pH/KH chart.

The pH/KH chart is often used to read the CO2 level in the tank. However, many people get it wrong. If you are estimating CO2 levels using only pH and KH readings, you are likely to get an incorrect estimate of CO2 levels. Read on to find out how to read a pH/KH chart correctly.

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