In-store pickup only.Black Seiryu is the darker cousin of classic Seiryu stone, with a deep charcoal to blue-grey tone and dramatic craggy edges that add bold contrast to planted layouts.Buying Options Per Pound: hand-pick individual pieces in-store, priced by the pound. Great for dialing in an exact scape. 44 lb Box: a full 44 lb box at a lower per-pound price, ideal for larger layouts or multiple tanks. Specifications Type Natural aquascaping stone Piece Size Small, approx. 2 to 4 inch pieces Water Type Freshwater Effect on Water Contains calcium carbonate; gently raises pH and general hardness Best For High-contrast Iwagumi, cichlid, and shrimp aquascapes Sold By The pound or the 44 lb box Aquascaping TipsThe dark tone makes green plants and pale substrate pop. Like classic Seiryu it buffers the water upward, so it suits hardwater and higher-pH setups. Rinse before adding to your tank and arrange in odd-numbered groupings for a natural look. Pair it with live aquarium plants and browse more freshwater aquascaping supplies.
