PolypLab Genesis Rock - 4 Pack Aquarium Air Pumps Runtime: Varies by pump model

Runtime: Varies by pump model

Specially formulated for reef aquariums and marine invertebrate systems

Ista Rectangular Large Filter Directions

Magnetic Optical Sensor

The LSM requires a compatible Apex system and Neptune Lunar LED string to function

PolypLab Genesis Rock - 4 Pack Aquarium Air Pumps Runtime: Varies by pump modelPolypLab Genesis Rock 4 Pack PolypLab Genesis Rock 4 Pack is a set of high porosity ceramic bio blocks for increasing biological filtration capacity in freshwater or saltwater aquariums. Each block provides a compact colonization surface for beneficial bacteria, helping support nutrient processing and long term water stability. Genesis Rock Bio Media for Sumps and Aquascapes Genesis Rock blocks can be placed in a sump, refugium, overflow area, under