Remove Odours and Discolouration From Pond Water Naturally Aquascape Activated Pond Carbon (2.2 lb / 1 kg) is a granular activated carbon filtration media that adsorbs dissolved organic compounds, tannins, odours, chlorine, and certain heavy metals from pond water. Placed in a mesh media bag within a pond filter chamber, it polishes water chemistry and improves water appearance between filter cleanings. Broad-Spectrum Water Polishing in a Natural Medium Ponds receiving runoff from leaf-heavy catchments, newly installed water features with fresh wood or bark, or systems recovering from chemical treatments often exhibit persistent discolouration, off-odours, or elevated tannin content that biological filtration alone cannot address. Activated carbon fills this gap through adsorption, physically capturing dissolved molecules on its enormous internal surface area. A 1 kg charge typically remains effective for four to eight weeks before becoming saturated and requiring replacement. Specification Value Weight 1 kg (2.2 lb) Media Type Granular activated carbon Function Removes dissolved organics, odours, tannins, chlorine Safe For Koi, goldfish, aquatic plants, wildlife Replacement Interval Every 4 to 8 weeks How to Use Place the required amount of activated carbon into a fine-mesh media bag (approximately 500 g to 1 kg per 4,000 litres / 1,000 gal of pond water for polishing applications). Position the bag in an area of high water flow within the filter chamber or waterfall filter box. Monitor water colour and odour, and replace the carbon charge every four to eight weeks or sooner if noticeable discolouration returns. Do not use activated carbon simultaneously with pond medications, as it will adsorb the active compounds and reduce treatment effectiveness. Ideal for new ponds leaching tannins from fresh rock or timber, ponds with heavy leaf inputs, and any water feature where improved clarity and odour control are desired between full filter cleanings.
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