{"@context":["https:\/\/schema.org",{"geo":"https:\/\/geo.schema.local\/"}],"@type":"Product","@id":"https:\/\/www.aoqunbrushes.com\/product\/fish-pond-filter-brush#geo","url":"https:\/\/www.aoqunbrushes.com\/product\/fish-pond-filter-brush","name":"Filter Brushes Garden Koi Fish Pond Filter Brush | Aquarium Bio Filter Brushes |","sku":"","datePublished":"2024-06-21T14:22:44+08:00","dateModified":"2026-09-21T17:52:28+08:00","description":"Twisted-wire filter brushes for koi ponds and aquarium bio filters. Dense filaments give bacteria large surface area while water flows freely. Custom lengths.","image":"https:\/\/www.aoqunbrushes.com\/wp-content\/uploads\/2024\/06\/\u8fc7\u6ee4\u523722.jpg","offers":{"@type":"AggregateOffer","priceCurrency":"CNY","availability":"https:\/\/schema.org\/OutOfStock","lowPrice":128,"highPrice":159,"offerCount":4},"publisher":{"@type":"Organization","name":"Aoqunbrushes","url":"https:\/\/www.aoqunbrushes.com\/"},"inLanguage":"en-US","geo":{"version":1,"last_modified":"2026-09-21T17:52:29+08:00","type":"product","summary":{"short":"Twisted-wire bio-filter brushes for garden koi ponds and aquarium filters - dense strands give beneficial bacteria a large surface area while letting water flow freely.","structured":"Product: garden koi pond and aquarium bio-filter brushes (twisted-in-wire construction).\nSupplier: Guangzhou Aoqun New Material Co., Ltd. (Aoqun Brush) - custom brush manufacturer with 20+ years of experience, ISO 9001 certified, exporting to 50+ countries.\nFunction: placed in filter chambers, the dense strands provide a large colonisation surface for nitrifying bacteria that break down ammonia and nitrite, while the open structure keeps water flowing freely.\nBuild: filaments twisted onto a corrosion-resistant wire core; loop ends make removal and rinsing easy; lengths made to order to fit any filter chamber.\nService: custom diameters, lengths and filament colours; free samples."},"faqs":[{"question":"How does a filter brush clean pond water?","answer":"The strands give nitrifying bacteria a large surface to colonise; the bacteria convert ammonia and nitrite into less harmful compounds, keeping koi pond water healthy."},{"question":"How do I maintain the brushes?","answer":"Simply lift them out by the loop ends and rinse. The corrosion-resistant core is made for long submerged service."},{"question":"Can you match my filter chamber size?","answer":"Yes. Diameter and length are made to order - send the chamber dimensions and we will produce matching brushes."}],"key_points":["Large surface area for beneficial bacteria colonisation","Open strand structure keeps water flowing freely","Corrosion-resistant wire core for long submerged life","Loop ends make removal and rinsing simple","Custom diameters and lengths for any filter chamber"],"target_audience":"Koi pond and water-garden retailers, aquarium equipment distributors, landscape contractors and pond maintenance service providers.","product_data":{"inquiry":false,"price":"128","price_html":"","currency":"CNY","availability":"OutOfStock","categories":["Filter System","Twisted-in-wire Brushes"],"attributes":[],"main_image":"https:\/\/www.aoqunbrushes.com\/wp-content\/uploads\/2024\/06\/\u8fc7\u6ee4\u523722.jpg","gallery":["https:\/\/www.aoqunbrushes.com\/wp-content\/uploads\/2024\/06\/\u8fc7\u6ee4\u523705.jpg","https:\/\/www.aoqunbrushes.com\/wp-content\/uploads\/2024\/06\/\u8fc7\u6ee4\u5237-06.jpg","https:\/\/www.aoqunbrushes.com\/wp-content\/uploads\/2024\/06\/\u8fc7\u6ee4\u523716.jpg","https:\/\/www.aoqunbrushes.com\/wp-content\/uploads\/2024\/06\/\u8fc7\u6ee4\u5237-18.jpg","https:\/\/www.aoqunbrushes.com\/wp-content\/uploads\/2024\/06\/\u8fc7\u6ee4\u523746.jpg"]},"source":{"generated_by":"manual"}}}