How to keep African cichlids from Lakes Malawi, Tanganyika and Victoria: water chemistry, tank size and rockwork, stocking for aggression, diet by group, compatible species, breeding and common diseases.
Compare 25 popular cichlid fish types by group, from angelfish and rams to Lake Malawi mbuna and Tanganyika shell dwellers, with size, tank, water and temperament for each.
Twenty nano fish compared by adult size, minimum tank, temperature, pH, temperament, group size and care level, with realistic stocking plans for 5, 10 and 20 gallon tanks and a simple cycling guide.
Distilled water alone is unsafe for fish because it lacks minerals and a pH buffer. Learn when spring water works, how to use distilled or RO water correctly, and why conditioned tap water suits most tanks.
How to spot ich on fish, rule out velvet and other lookalikes, and cure white spot disease with heat, salt or medication, plus a treatment timeline and marine ich notes.
A symptom-to-treatment chart for 13 common aquarium fish diseases, from ich and fin rot to dropsy and fish TB, with water targets, quarantine setup and safe dosing rules.
A 20 gallon tank usually holds 10 to 20 small fish, but adult size, bioload, tank shape and schooling needs set the real limit. Here is why the inch-per-gallon rule misleads, plus five sample stocking lists.
Compare HOB, canister, sponge, internal and undergravel fish tank filters, size flow with the 4 to 6x rule, set up media in the right order and pick the best filter for your tank.
White, green or brown water each has a different cause. Here is how to diagnose a cloudy fish tank and clear it safely.
How to breed betta fish: choose and condition a pair, set up a shallow breeding tank, read the bubble nest and spawning signs, and feed and raise the fry.