Hakkai Stone

Hakkai Stone (also called Pahai or "bug-eaten" stone) is a dense, smooth, river-worn rock in dark blue-grey-green with natural holes and grooves from years of erosion. It is a favorite for Iwagumi layouts and riverbed aquascapes, and it looks great against grass-like plants.

• Inert: does not change pH or hardness
• Very heavy; order extra weight if you want several pieces or a mix of sizes
• Natural product: size, shape and color vary, and color darkens when wet
• Rinse thoroughly before use