Author name: Nic Hsu

Practical guide to Flowerhorn cichlids: learn aggression cues, set up tank territories, decide on solo or paired housing, and manage feeding and water to minimize stress and injuries.

Master reef dosing with a practical guide to stabilize alkalinity, calcium, and magnesium. Learn when to start dosing, how to test, choose methods (two-part, kalkwasser, reactors), set up a routine, and troubleshoot for steady, colorful corals.

Identify, treat, and prevent anchor worm (Lernaea) in fish tanks and ponds with a beginner-friendly, system-wide plan covering signs, meds, and prevention.

New fish tanks face ammonia spikes. Learn what ammonia is, how cycling works, early warning signs, and how to build a resilient biofilter.

Discover how beneficial bacteria power the aquarium nitrogen cycle, how to cycle a tank, test water, and prevent problems with practical, step-by-step guidance for a stable, healthy fish tank.

Step-by-step guide to hand-feeding fish—from first approach to confident finger-feeding. Learn safety, water quality, and how to spot health issues early.

Discover how Indian almond leaves (catappa) gently condition water, boost immunity, and encourage natural behavior in softwater aquariums. This practical guide covers what they do, how to use and dose, troubleshooting, and a quick-start plan for bettas, shrimp, and more.

Essential guide for new discus keepers: how to prep, maintain warm, stable water, and quarantine to prevent problems. Practical, step-by-step fixes cover feeding, diseases, and routine care to keep discus healthy and thriving.

Learn to build a serene blackwater aquarium with tea-stained water, soft lighting, and natural fish behavior. This step-by-step guide covers gear, botanicals, water parameters, cycling, stocking, and maintenance for stable, repeatable results.

Master light spectrum to boost fish color with repeatable LED profiles for freshwater and marine tanks. Learn which wavelengths matter and how to tune safely without algae or stress.