PolypLab Genesis Rock - 4 Pack

Overview

High-porosity fired-ceramic bio-blocks that massively expand colonization area for beneficial bacteria. Add them to sumps refugia or discreetly within aquascapes to reduce nitrate phosphate and other dissolved organics while stabilizing water quality over time.

Benefits

• Each block offers 23,000+ ft² of bacterial surface area
• Zero-leach 100% fired ceramics safe for saltwater or freshwater
• Compact size fits under rockwork sandbeds or media shelves

What’s Included

• 4 × Genesis Rock blocks

Specifications

• Dimensions per block ~4" × 4" × 1" (approx. 7/8" to 1" thick)
• Placement Refugium sump chamber under substrate or hidden in aquascape
• Compatibility Saltwater or freshwater