CO2 From Food in the Aquarium

15.6.4. CO2 From Food in the Aquarium

CO2 From Food in the Aquarium is one “interesting” approach to providing carbon dioxide to the aquarium. ote I do NOT recommend this method. It is challenging, to say the least.

High Tech CO2 Systems

15.6.3. High Tech CO2 Systems

Most high-tech planted aquariums use a high-tech CO2 injection system. These systems are prone to failures and doing it cheap can get you in trouble.

KH pH CO2 Relationships in the Aquarium

15.6.2. KH pH CO2 Relationships in the Aquarium

KH pH CO2 Relationships in the Aquarium is called the “Bermuda Triangle” of aquarium chemistry with good reason. It is very complex and making simplistic assumptions about it can easily lead one astray and kill fish.

Low tech CO2

15.6.1. Low Tech CO2

There are two low tech CO2 systems extant. One, an inverted bottle diffuser, is for ONLY small low tech tanks under 20 gallons (80 liters). The second, a “wide mouthed jar” diffuser, will work well for much larger aquariums. These type systems are often called “passive CO2 bottles”.

Carbon Dioxide and Plants in the Aquarium

15.6. Carbon Dioxide and Plants in the Aquarium

Carbon Dioxide and Plants in the Aquarium: Unless one has some very easy aquarium plants (Anubias, Amazon sword, Java fern, Java moss) a planted aquarium needs a source of carbon dioxide.

DIY Fertilizers

15.5.7. DIY Fertilizers

Some hobbyists with planted aquariums want to use the same type of fertilization program an expensive commercial aquarium fertilizer will provide, but at a much lower cost. This article tells on how to make a do-it-yourself fertilizer which is MUCH cheaper.

Fish Food Fertilizer

15.5.6. Fish Food Fertilizer

Adding a “natural” fertilizer like extra fish food is not a good idea if there is little biofiltration together with fish in the aquarium. The “natural” fertilizer produces dissolved organic compounds which feed heterotrophic bacteria.

DIY Epiphytic Fertilizer

15.5.5. DIY Epiphytic Fertilizer

DIY Epiphytic Fertilizer: Some planted aquariums have epiphytes (plants that grow on wood or rock) and floating plants. They have to be supplied phosphate and iron through the water column.

Estimative Index

15.5.3. Estimative Index

The Estimative Index (EI) method is the most popular method of dosing fertilizers in high-tech planted CO2-injected aquariums.  I find it to be somewhat complicated and very time-consuming to implement. But there is no question it will give one a very beautiful high-tech planted aquarium.

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