Copepod Refuge Block for Refugium, Sump or Display Tank, Made of Porous Ceramic — Open-Box, 9% Off

【Copepod & Amphipod Refuge 】Coral skeleton-like porous ceramic with 0.5-2 mm openings throughout the block creates shelter for copepods, amphipods, and other aquatic microfauna.

【Supports Live Pod Populations】Helps protect live copepods in the system, making them easier to retain, build up, and use as a natural food source.

【For Refugiums, Sumps & Display Tanks】Rinse before use, then place it in a refugium, sump, pod zone, or display tank to create a protected pod habitat.

【Inert Ceramic & Easy Release】Will not affect water quality or easily shed grit or powder. Water flows through freely, and a light shake helps release pods.

【Shapeable Porous Ceramic Structure】The porous structure helps distribute stress, making this product different from traditional ceramic materials. It can be gradually shaped into other forms, such as reef rock or coral skeleton shapes.

This aquarium shelter block is designed as a structured environmental accessory for saltwater reef tanks, refugiums, and sump systems. Its honeycomb-style internal structure creates sheltered zones that help reduce direct interaction with tank inhabitants, supporting a more stable micro-environment within the aquarium. This Unlike loose rubble or soft media, this solid ceramic-style structure stays in place, is easy to reposition, and can be removed for cleaning when needed. Its compact form factor allows flexible placement without affecting water flow or overall tank aesthetics.An ideal addition for reef keepers looking to add structured hiding spaces and environmental complexity to their aquarium setup.