Quarantine Tank Guide: How to Set Up and Use a Hospital Tank
A practical guide to setting up and using a quarantine or hospital tank, including bare-bottom setup, sponge filters, and how to safely quarantine new fish.
Endler’s Livebearer Care Guide: A Colorful Nano Fish for Beginners
Learn how to keep Endler's livebearers, a tiny, hardy, and colorful nano fish, including tank setup, water parameters, feeding, breeding, and tank mates.
Corydoras Catfish Care Guide: The Friendly Bottom-Dwelling Schooler
A complete beginner's guide to keeping Corydoras catfish, covering schooling needs, sand substrate, diet, tank mates, and their scaleless sensitivity.
Aquarium Plant Nutrient Deficiencies: A Visual Diagnosis Guide
Diagnose aquarium plant problems at a glance with a visual guide to nitrogen, potassium, iron, and other nutrient deficiencies and their fixes.
How to Clean an Aquarium Filter Without Killing Beneficial Bacteria
Learn how to clean your aquarium filter the right way by rinsing media in tank water so you protect the beneficial bacteria that keep fish alive.
Aquarium pH Guide: How to Safely Raise and Lower pH
A practical guide to aquarium pH, why stability beats chasing numbers, and how to safely raise or lower it using the KH buffering connection.
New Tank Syndrome: Why New Aquariums Lose Fish and How to Prevent It
New Tank Syndrome causes ammonia and nitrite spikes that kill fish in a new aquarium; here is how to recognize, prevent, and survive it.
Aquarium Fish Compatibility Guide: Which Fish Can Live Together?
A practical guide to aquarium fish compatibility, explaining how temperament, size, water parameters, and tank zones determine which species can safely live together.
Bristlenose Pleco Care Guide: The Best Algae-Eating Catfish for Beginners
A beginner-friendly care guide to the hardy bristlenose pleco, covering tank size, the all-important driftwood, a balanced omnivore diet, water parameters, and tank mates.
Kuhli Loach Care Guide: A Peaceful Bottom-Dweller for Community Tanks
Learn how to care for the kuhli loach, a peaceful, eel-like nocturnal scavenger that thrives in groups over soft sand with plenty of hiding spots.
Dwarf Pufferfish Care Guide: Tank Setup, Diet, and Behavior
A complete care guide to keeping the tiny, intelligent dwarf pufferfish, covering tank setup, live and frozen diet, water parameters, behavior, and tank mate choices.
Aquarium Fish Disease Diagnostic Guide: Symptoms, Causes, and Treatments
Diagnose and treat common aquarium fish diseases by symptom, including ich, fin rot, dropsy, velvet, fungus, and swim bladder disorder, with prevention tips.