 BioPro Marine Aquarium Protein Skimmer Protein Skimmers use air bubbles to create foam, which absorbs and entraps waste products and surface active compounds that make foam production possible. Ammonia, fish faeces and carbon dioxide aren't the only waste products recirculating fish systems. You'll find complex organic substances from decomposing feed, urine, fish slime and metabolic by-products. Also, don't ignore the algae, phenols and bacteria that irritate your fishes gills, affect growth rates and increase disease susceptibility. Together these dissolved and suspended materials make up the bio-chemical oxygen demand (BOD), colour, odour, taste and turbidity that a protein skimmer can remove. The SK- Range of Protein Skimmer utilizes a powerful aspirating-ventri pump coupled with a redesigned needle-wheel impeller to cut the air into dense froth which is injected into the reaction chamber. This creates a high turbulence in the lower part of the skimmer to ensure an extra mixture of fine micro bubbles. The upper portion stays calm to permit a linger time for micro-bubbles to attach protein and organic wastes. Dissolved protein and other contaminents are then physically removed into the collection cup. * Dual Application System - hang-on or Sump hook up * High grade acrylic reaction chamber * Easy-Twist and high capacity collection cup * Double layer chamber diffuses bubbles during return (SK-160 model only) * Water level adjustment valve * Needle wheel power head included
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