{"product_id":"mountain-tree-lotus-root-bacteria-house-ii-small-4-16-5-cm-24-piece-box","title":"Mountain Tree Lotus Root Bacteria House II — Small (4 × 16.5 cm) — 24-Piece Box","description":"\u003cp\u003e\u003cstrong\u003eMountain Tree Lotus Root Bacteria House II — Small (4 cm dia × 16.5 cm)\u003c\/strong\u003e. Premium ceramic bio-media that turns your filter into a nitrification powerhouse — a full box of 24 rods to seed your pond with billions of beneficial bacteria.\u003c\/p\u003e\n\u003ch3\u003eWhy it works\u003c\/h3\u003e\n\u003cp\u003eThe signature \u003cstrong\u003elotus-root shape\u003c\/strong\u003e — a cylinder with seven long channels through it — hugely increases the water contact area, while the porous ceramic body contains \u003cstrong\u003enanopores\u003c\/strong\u003e that host beneficial nitrifying bacteria (\u003cem\u003eNitrosomonas\u003c\/em\u003e and \u003cem\u003eNitrobacter\u003c\/em\u003e). These bacteria convert toxic ammonia and nitrite into far less harmful nitrate, giving your koi the clear, stable water they need to thrive.\u003c\/p\u003e\n\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e24 pieces\u003c\/strong\u003e per box — total weight 3.5 kg\u003c\/li\u003e\n\u003cli\u003eEach piece: \u003cstrong\u003e4 cm diameter × 16.5 cm long\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSignature 7-channel lotus-root cross-section\u003c\/li\u003e\n\u003cli\u003eMountain Tree brand (Article No. MTF207) — established Asian bio-media brand\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBest for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSmall \u0026amp; medium koi ponds\u003c\/li\u003e\n\u003cli\u003eCanister and pressurised filters\u003c\/li\u003e\n\u003cli\u003eFilter chambers with tighter internal spaces\u003c\/li\u003e\n\u003cli\u003eTopping up or refreshing an existing bio-stage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cp\u003eRinse gently in dechlorinated pond water before use (never tap water — chlorine kills bacteria). Place in the biological stage of your filter, after mechanical filtration. Allow 4–6 weeks for full colonisation. Rinse only if flow drops noticeably — less is more.\u003c\/p\u003e\n\u003ch3\u003eShips across Canada\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Ships within 1–3 business days, Canada-wide\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e✅ Backed by Koi Whisperer\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Koi Whisperer","offers":[{"title":"Default Title","offer_id":54494839013651,"sku":"FILT-BH-S-4x16-MTF207","price":150.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0992\/9352\/8339\/files\/IMG_1729_026bd322-63a8-49f2-bff4-4f1529a1b391.jpg?v=1785032616","url":"https:\/\/koiwhisperer.ca\/products\/mountain-tree-lotus-root-bacteria-house-ii-small-4-16-5-cm-24-piece-box","provider":"Koi Whisperer","version":"1.0","type":"link"}