Seiryu Rock XL103 Nano Rock robust piece with a lot

robust piece with a lot of relief

Various operational modes (manual

Calibration station with 3 glass calibration tubes with graduations

ensuring an efficient and leak-free connection

Seiryu Rock XL103 Nano Rock robust piece with a lotSeiryu Stone Extra Large, perfect to combine with other sizes to create a true Amano scape. Seiryu Rock or Ohko Stone can release calcium into the water. This type of stone is widely used in the aquascaping world and is rightly one of the favorite stones due to its rugged structure and beautiful relief. Please note that all our stones can only be ordered once. While supplies last. Due to different weights, the prices of XL stones vary per piece.