Add durable space for beneficial bacteria with four PolypLab Genesis Rock ceramic media blocks for freshwater or saltwater systems.

Features & Specifications

• Includes four fired-ceramic blocks.
• Each block measures approximately 4 × 4 × 1 inches.
• Manufacturer lists over 23,000 square feet of bacterial surface area per block.
• Fits into suitable sump, refugium or aquascape locations.

Use & Care

Rinse before placement. If seeding with a compatible bacterial product, follow that product's instructions. Position securely in an appropriate flow area and away from vibrating equipment that could abrade the blocks. Keep existing established filtration running while new media matures.

Manufacturer and product information

Shipping & Delivery

Standard Parcel Shipping: $19.99. Contiguous 48 United States and Washington, D.C. This item does not qualify for free shipping. Most in-stock orders process within 1–3 business days; availability can change. For other destinations, contact us before ordering for eligibility and a shipping quote.

Why Buy from Infinity and Beyond Aquatics?

Get personal help choosing supplies for your aquarium, clear shipping information and support from an independent aquarium business. Questions about compatibility or which size to choose? Contact info@infinityandbeyondaquatics.com before ordering.