GENESIS ROCK 2PCSis a high-efficiency biological filtration media for aquariums. This set contains two sintered ceramic blocks providing over 2,000 square meters of combined surface area for bacterial colonization in compact 4x4x0.875 inch blocks.

Specifications:

• Quantity: 2 ceramic blocks

• Dimensions per block: 4 x 4 x 0.875 inches

• Total Surface Area: 2,000+ m (22,000+ ft)

• Material: Sintered ceramic

• Category: Aquarium Filter Media

Key Features:

• Massive Surface Area:Each block provides 1,000+ m for bacterial growth

• Space-Efficient Design:Compact blocks fit in filter sections and overflow boxes

• Versatile Placement:Can be used as protein skimmer stands or aquascape elevation

• Durable Construction:Sturdy ceramic withstands aquarium conditions

• Easy Installation:Simple to position in various aquarium locations