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Goldie
Pro300 L

Discus temple (300 L)

The king of freshwater — the discus. 6 individuals, ultra-soft RO water, tropical temps.

Discus temple (300 L) — aquarium setup with fish, plants and equipment (300 L)

This setup is for those who've already done the Amazon biotope and are ready for stricter requirements: warm 28–30 °C water, ultra-soft, pH 6.0–6.8.

Discus are schooling — minimum 6. Any stress triggers disease. Daily or every-other-day 25 % water changes.

Dimensions
120×50×60 cm
Temperature
28–30°C
pH
6–6.8
gH
1–4 °dGH
Setup time
10 wks
Budget
≈ $1500
Total fish
29
Test this setup in Simulator →

Fish (29)

Plants (9)

Setup Checklist

Essential gear and water prep needed before adding fish

0 of 10 ready
  • External canister filterEssential

    2× 1500 L/h units

    Check options →
    ≈ $400
  • HeaterEssential

    2× 200 W (redundancy)

    Check options →
    ≈ $90
  • ThermometerCare

    Digital with alarm

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    ≈ $25
  • Basic 6500K LED lightBase

    Dim, 6–8 h

    Check options →
    ≈ $130
  • White quartz sandBase
    Check options →
    ≈ $80
  • Reverse osmosis (RO) systemBase
    Check options →
    ≈ $280
  • Dark film backgroundBase
    Check options →
    ≈ $25
  • Water conditioner (dechlorinator)Essential

    Seachem Prime or Tetra AquaSafe — instantly detoxifies chlorine, chloramine, and heavy metals

    Check options →
    ≈ $12
  • Liquid drop test kit (pH, NH₃/NH₄, NO₂, NO₃)Recommended

    API Freshwater Master Test Kit or liquid drop tests to monitor nitrogen cycle

    Check options →
    ≈ $25
  • Fish net & gravel vacuum siphonCare

    Soft fish net matched to fish size + gravel vacuum siphon for weekly 20–30% water changes

    Check options →
    ≈ $15

Decor

  • Natural driftwood (mangrove or mopani)× 4
  • Catappa (Indian almond) leaves× 10

Tips & gotchas

  • Buy all discus from one batch and the same size — the pecking order settles faster.
  • RO water + remineralizer. Never tap water.
  • Diet: frozen bloodworm, brine shrimp, dedicated discus pellets.
  • Keep tank away from TVs, walkways, noise — discus spook and get sick.