Every article we've published — newest first.
Ninety percent of new-tank fish deaths happen because the tank was never cycled. Here is what the nitrogen cycle is, how to start it, and how to know when it is finished.
A beginner-friendly fish is hardy, small at full size, peaceful, and forgives early mistakes. Ten species that meet all four — and the ones to skip.
A nano reef costs roughly four times what a comparable freshwater tank costs and takes three times the maintenance. Here is what you actually need to start.
Most aquarium illness traces back to water quality, stress, or new-fish quarantine failures. Identify the disease before reaching for medication.
A planted tank without CO2 or high-end lights still works — if you pick the right species. Ten plants that thrive on what most tanks already provide.
The award-winning tanks you see online rest on a handful of design principles borrowed from landscape painting. Master four, ignore the rest.
Overfeeding kills more fish than any disease. Here is what to feed each kind of fish, how much, how often — and what to skip.
Filtration does three things — mechanical, chemical, biological. Picking the right filter type matters less than people think. Here is what actually makes the difference.
Discus cost $50 to $300 per fish and demand more than any common freshwater species. Here is what actually keeping them well requires.
Algae is almost never a sign your tank is dirty. It is a sign of imbalance — light, nutrients, CO2, or biology. Identify the type, fix the cause.