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862 results for “water changes”
What Living Environment Does a Goldfish Need?
Goldfish are beginner-friendly ornamental fish, but they still need the right water to thrive. Here are the key requirements for water temperature, oxygen, carbon dioxide, pH, and hardness.
What Beginners Should Know About Keeping Goldfish
More people keep pet fish, but beginners have many questions at first. Here are key points for keeping goldfish and other pet fish, to help you raise them better.
Why Is Your Goldfish Sitting at the Bottom and Not Moving?
Many things cause a goldfish to sink and stay still — wrong medication, poor water, new-environment stress, wrong temperature — but it may also just be hiding or sleeping. This article details the reasons.
Signs of Oxygen Deficiency in Goldfish and What to Do
Oxygen-deprived goldfish usually 'surface gasp' — rising to the top to breathe air. Frequent gasping means the water is low on oxygen and you must act fast to avoid death. This article covers remedies for goldfish oxygen deficiency.
Easy-to-Keep Aquarium Fish for Beginners
Cheap, hardy beginner fish include guppies, comet goldfish, ryukin goldfish, bettas, swordtails, zebra danios, tiger barbs, dwarf parrot cichlids, and mollies. They are tough, easy to keep alive, and inexpensive — ideal for new aquarists. Guppies and comets are top picks for newcomers because they adapt well, aren't picky eaters, and look good. Keeping fish alive is easy; keeping them well takes effort, so learn and improve as you go.
Common Aquarium Filter Media and How to Clean Them
A filter keeps water healthy, but its media need regular cleaning and replacement. Key media: filter floss (mechanical, top layer), bio-sponge and bio-balls (nitifying bacteria), ceramic/glass rings (anaerobic bacteria, large surface), activated carbon (chemical, replace monthly), coral sand (hardness), ammonia-removing stone, and live plants—each with its own care routine.
Arowana Care Guide
Arowana have many keepers, but they are delicate and timid, so good care is not easy. Here are some daily management tips that help keep arowana healthy.
Common Diseases of Blood Parrot Fish and How to Treat Them
White spot, black spot, head-hole disease, and enteritis are all very common in blood parrot fish. To help owners respond better, here are treatments for each of these diseases.
How to Care for a Money Turtle (Three-lined Box Turtle)
Money turtles need a warm, sheltered pond with sandy substrate, shade plants, and a basking island, plus clean water kept at 24°C+ and a varied omnivorous diet. Separate turtles by size to prevent cannibalism, and protect them from cold and summer heat stroke during hibernation.
What are panda corydoras like to keep?
Panda corydoras are not easy to keep, especially for beginners with no experience keeping ornamental fish. Most have weak constitutions and adapt poorly to new environments, so pay special attention to water temperature and quality after changes.