Dragon stone aquascape hardscape for freshwater aquarium
Decoration Profile

Dragon Stone

Ohko stone · Dragon stone is a textured aquascaping rock often used in planted freshwater tanks. Its holes and ridges create depth, but pieces should be rinsed well because clay and dust collect in crevices.

Quick Answer

Dragon stone is a textured aquascaping rock often used in planted freshwater tanks. Its holes and ridges create depth, but pieces should be rinsed well because clay and dust collect in crevices.

Care and Setup Notes

  • Brush out pockets of clay before placing stones in the tank.
  • Place heavier rocks on the tank bottom or support base before adding substrate.
  • Leave swimming room rather than filling the entire footprint with stone.

What to watch

Use this page as a planning profile, then match the advice to your exact tank size, livestock, temperature, filtration, and water test results. If livestock are already stressed, test ammonia, nitrite, nitrate, pH, and temperature before making big changes.

Image: Wikimedia Commons fish photo used as contextual aquarium reference