Dark Seiryu Stone per KG

Dark Seiryu Stone (acid-washed) is a much darker version of the popular seiryu stone. It is a very dark shade of grey, almost black with some lighter streaks. It has a very unique form with fine textures and offers the aquascaper many possibilities. 

It is often used to create 'mountain' like scenes and a popular rock used for Iwagumi style aquascaping. Also effective when combined with pieces of aquarium wood.

Features:

• Unique form and fine textures.
• Colour: dark grey to black.
• Slight effect on PH and Hardness.
• Often used in Iwagumi aquascaping.