The Discus | Discus Fish Care and Breeding Guide
Best Tank Mates for Discus: What Can Live Together?
Choose peaceful fish that tolerate discus temperatures and will not be swallowed. See U.S.…
Good discus keeping starts with getting the numbers right.
We use real numbers to explain discus care, from temperature, pH and water changes to breeding, disease care and choosing equipment. We also talk through tankmates and planted tanks. We’re at 21 and counting, and we add a new guide every day.
Discus Fish Care(8 articles)
Can You Keep Aquarium Plants with Discus?
Plan a planted discus tank around warm water, soft conditions and easy cleanup. Compare ha…
Chlorine and Chloramine in Aquarium Tap Water
Learn how to treat US tap water for discus, check for chloramine, and choose between condi…
How to Bring Home Discus: Acclimation and Quarantine
Prepare for discus delivery with a mature tank, careful temperature matching, a quiet firs…
Discus Water Changes: How Often and How Much?
Plan discus water changes by life stage, then condition US tap water, match temperature, s…
What to Feed Discus: Pellets, Frozen Foods, and Portions
Build a healthy discus feeding routine with formulated food, frozen options, age-based mea…
Choosing a Discus Tank: Size, Filtration, and Setup
Choose a discus tank for adult fish with practical gallon classes, stocking guidance, filt…
Discus Water Parameters: Temperature, pH, and Hardness
Learn practical discus water targets for temperature, pH, hardness, and nitrogen waste, pl…
Discus Fish Varieties(3 articles)
Red Discus: Strains, Color and How to Choose
From solid red to Sunset and Butterfly lines, learn how red discus are judged, cared for a…
Pigeon Blood Discus: Color, Peppering and Buying Tips
Compare Pigeon Blood discus by orange-red color, pepper pattern and health. Learn standard…
Blue Diamond Discus: Color, Care and Where to Buy
Learn how Blue Diamond discus differ from barred blue strains, which care parameters to ma…
Discus Fish Breeding(2 articles)
Discus Eggs to Hatch: Timing, Temperature, and White Eggs
Track discus eggs through the 48–72-hour hatch, learn what healthy development looks like,…
How to Breed Discus: Pairing, Tank Setup, and Spawning
A practical discus breeding guide covering maturity, pairing, a 20-gallon-class breeding t…
Discus Diseases(2 articles)
Why Is My Discus Fish Not Eating? Causes and First Steps
A discus refusing food may be reacting to water quality, a new tank, stress, or illness. L…
Discus Diseases: White Spot, Gill Problems, and Hexamita
Learn how to assess white spots, labored breathing, and pale feces in discus, check water …
Aquarium Equipment(2 articles)
Best Canister Filter Setup for a Discus Tank
Choose and maintain a discus canister filter by real flow, media layout, and service acces…
Discus Tank Heater Guide: Wattage, Placement & Backup
Choose a discus heater for your tank and room temperature, then protect fish with a thermo…
Aquarium Hobby(2 articles)
Penang Discus Farms: What Their History Means Today
Explore Penang's reported role in discus breeding, what a place name can—and cannot—tell y…
How Much Do Discus Fish Cost? US Prices and Buying Tips
Discus prices vary with strain, size, seller, and availability. See real US online listing…
Aquarium Plants(2 articles)
Monte Carlo Aquarium Plant: How to Grow a Foreground Carpet
Learn how to plant and trim Monte Carlo, what light and CO₂ it prefers, when low-tech grow…
How to Grow Dwarf Sagittaria in a Freshwater Aquarium
Learn how dwarf Sagittaria spreads by runners, why light changes its height, where to buy …