Fish Health
Disease prevention, quarantine, health monitoring
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Signs Your Fish Are Sick: Recognition, Response, and When to Treat
A guide to recognizing illness in aquarium fish and responding appropriately. Covers visible signs (spots, velvet, fungal growth, fin rot, ulcers, color changes, dropsy), behavioral changes (rubbing, gasping, abnormal swimming, hiding, lethargy), and systemic indicators (appetite loss, rapid breathing). Emphasizes water testing as the first diagnostic step before medication, then explains how to differentiate stress from disease, when quarantine is warranted, when to treat immediately versus…
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Setting Up a Quarantine Tank: A System for New Fish
A practical guide to setting up and running a quarantine tank—from equipment and cycling to daily observation, disease recognition, and transferring fish to your display. Covers the difference between quarantine and hospital tanks, tank size, filtration (especially the pre-seeded sponge trick), bare-bottom setup, the 4-week observation timeline, what signs of stress or illness to watch for, and basic treatment for common diseases like ich, velvet, flukes, and columnaris. Includes maintenance…
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The Benefits of a Quarantine Tank: Protection, Prevention, and Peace of Mind
A practical case for quarantine tanks in home aquaria. Covers the disease risks new fish bring—asymptomatic carriers, Ich (62% of reported cases), and cascading outbreaks—and how quarantine solves them through an observation window, contained treatment, and protection for invertebrates and plants. Includes non-disease uses (injured fish, shy eaters, breeding pairs, aggressive bullies), the distinction between quarantine and hospital tanks, cost-benefit math comparing a $30–50 setup to outbreak…