Caribsea LifeRock Donuts - Each Other Protein Skimmers It raises alkalinity while helping

It raises alkalinity while helping pH move toward 8

Chiller-ready design: The rear sump includes planning for chiller use

controlled bond

quick-connect tee fittings for in-line installation

2 litre container for aquarium supplements and dosing liquids

Caribsea LifeRock Donuts - Each Other Protein Skimmers It raises alkalinity while helpingCaribsea LifeRock Donuts Each Caribsea LifeRock Donuts Each are shaped LifeRock pieces for creating instant swim through openings, coral seating areas, and natural looking reef structure. Each donut is sold individually and gives aquascapes a rounded open form without looking like a drilled rock. Caribsea LifeRock Donuts for Swim Throughs and Coral Seats LifeRock Donuts are useful as open reef accents, coral mounting platforms, or stacked aquascape