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Step 5 - The Cycle

Understanding and managing the Nitrogen (aka: startup) Cycle
What is Seeding a New Aquarium?
Seeding an aquarium is actually nothing new. It's an old trick that has acquired new popularity. Learn how to seed your new aquarium and why you should try it.
How an aquarium ‘cycles’
One of the most talked about, and often most misunderstood phenomenons is the aquarium cycle. However, the cycle isn't a one time thing. It's a dynamic progess that goes on in your aquarium 365 days a year.
Ammonia Poisoning
Ammonia is the great silent killer of aquarium fish. Almost every fish owner has or will be faced with ammonia poisoning, particularly during startup. Knowing how to detect it, and the steps to take to correct the problem, will allow you to avoid losing your fish
Ammonia Test Chart
A printable chart to plot your ammonia levels on during startup. Danger levels are marked, along with suggested steps to remedy them.
Nitrite Poisoning
The Ammonia begins to fall and just when you thought it was safe, you get slammed with a nitrite spike. Here's what to do about nitrite poisoning, and how to avoid it in the first place.
Nitrite Test Chart
A printable chart to plot your nitrite levels on during startup. Danger levels are marked, along with suggested steps to remedy them.

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  5. Step 5 - The Cycle

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