ArticlesDiscus hub

Discus Fish Care Hub

A complete UK-focused care manual for discus keepers — from first tank setup through advanced breeding. Practical parameters, feeding routines, fry rearing, and heatwave survival tips.

Series index

Read in order for a full curriculum, or jump to the topic you need today.

  1. 1. GuideFeatured

    Discus Tank Setup and Sizing

    Discus need tall, spacious aquaria with heavy biofiltration and gentle flow. This UK-focused setup guide covers minimum volumes, dimensions, substrate choices,…

    18 min read

  2. 2. GuideFeatured

    Discus Water Parameters and Quality

    Discus thrive in warm, soft, clean water with zero ammonia and nitrite. Learn target ranges for general keeping and grow-out, water-change routines, chlorine re…

    20 min read

  3. 3. GuideFeatured

    Feeding Discus Fish

    Discus are omnivores that colour up and grow on frequent, high-quality meals. This guide covers pellets, frozen and live foods, vegetable matter, breeding condi…

    17 min read

  4. 4. Guide

    Raising Discus Fry

    Discus fry demand soft acidic water, tireless feeding and ruthless water quality. Learn breeding-tank sizing, hatch timelines, parental slime feeding, first foo…

    19 min read

  5. 5. Guide

    Raising Juvenile Discus

    Juvenile discus grow fast when heat, food and water changes align. Cover tank sizing, 86–88°F grow-out temperatures, feeding cadence, size separation, milestone…

    16 min read

  6. 6. Guide

    Dealing with Discus Aggression

    Discus form pecking orders that can tip into damaging bullying. Learn normal versus problematic aggression, how group size, tank space, décor and feeding tactic…

    15 min read

  7. 7. Guide

    Lighting for Discus Colour and Health

    Discus colour pops under the right spectrum but fades under stress lighting. Set moderate intensity, a 10–12 hour photoperiod, real darkness at night, and timer…

    14 min read

  8. 8. Guide

    Heatwave Management for Discus Tanks

    UK heatwaves push discus tanks past safe margins because normal keeping temperatures are already high. Spot heat stress early, cool with fans, evaporation, ice…

    16 min read

  9. 9. Guide

    Discus Health and Disease Prevention

    Most discus disease starts with stress, poor water or unquarantined newcomers. Learn common conditions, quarantine routines, salt and heat caveats, isolation de…

    18 min read

  10. 10. GuideFeatured

    Discus Breeding Advanced Guide

    Move beyond accidental spawns: select pairs for size, colour and temperament, condition with food and water, set vertical spawning sites, manage eggs and choose…

    22 min read