Water health & quality
Why my aquarium water turns green
Algae bloom: light, nutrients and correction plan with test.
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Fish
Cuidados, salud, comportamiento, alimentación y enciclopedia de razas para fish — con precisión y criterio.
Búsquedas frecuentes sobre Fish: alimentación, salud, comportamiento y cuidados.
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Recent articles
Water health & quality
Why my aquarium water turns green
Algae bloom: light, nutrients and correction plan with test.
Aquariums & equipment
How long a new aquarium takes to cycle
Weeks, not days: how to confirm cycling with reliable tests.
Species
Best beginner aquarium fish
Resistant species in a cycled tank and mistakes to avoid.
Feeding guides
How much to feed fish
1–2 minute portions, frequency, and how to spot overfeeding.
Aquariums & equipment
Aquarium temperature
The correct temperature is what your species requires, stable day and night. Provides practical criteria, limits and monitoring.
Feeding guides
Sobrenutrition de peces
Overfeeding dirtyes the water, fattens the fish and releases ammonia. Review possible causes, useful observations, and next steps.
Aquariums & equipment
Aquarium plants for beginners
Plants help stabilize the aquarium, provide shelter and compete with algae... if there is light, nutrients and a…
Water health & quality
Aquarium pH: what it is and how to stabilize it
The pH of the aquarium should fit your species, but stability matters more than chasing a forum's magic…
Feeding guides
My fish doesn't eat
A fish that does not eat usually warns of bad water, stress, illness or previous overfeeding. Includes warning…
