Fauna Marin Skim BreezeFauna Marin Skim Breeze for air purification and CO2 reduction. Fauna Marin Skim Breeze is a special adsorbing granule used for purifying the air pulled in by protein skimmers. Through skimmer air purification, your aquariums pH value will increase and become more stable. By reducing nutrients, algae growth is significantly reduced and coral growth is increased. Our high performance adsorbent prevents harmful gases such as cigarette smoke and CO2 from