Hikari RIO+ Micro Pad (White) is a high-quality mechanical filtration media specifically formulated to capture fine particulate waste in marine, reef, and freshwater aquariums. Designed to trap debris, uneaten food, and suspended particles without restricting proper water flow, it helps create the conditions required for improved water clarity, efficient filtration performance, and overall aquarium system stability. By removing fine waste before it can break down and impact water quality, it helps support balanced aquarium ecosystems and long-term aquatic health. Easy to cut, install, and replace, and precisely manufactured for consistent results, Hikari RIO+ Micro Pad (White) helps maintain a stable aquatic environment where fish, corals, and other aquarium inhabitants can thrive.