{"product_id":"fisher-cz-21-quicksilver-dual-frequency-underwater-detector-10-coil","title":"Fisher CZ-21 Quicksilver Dual-Frequency Underwater Detector  10\" Coil","description":"\u003ch2 data-section-id=\"12m5utc\" data-start=\"87\" data-end=\"155\"\u003eFisher CZ-21 Quicksilver Dual-Frequency Underwater Metal Detector\u003c\/h2\u003e\n\u003cp data-start=\"157\" data-end=\"215\"\u003e\u003cstrong data-start=\"157\" data-end=\"215\"\u003eBuilt for Serious Underwater and All-Terrain Detecting\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"217\" data-end=\"501\"\u003eThe Fisher CZ-21 Quicksilver is designed for detectorists who need \u003cstrong data-start=\"284\" data-end=\"349\"\u003ereliable performance in both underwater and land environments\u003c\/strong\u003e. With dual-frequency technology, it delivers strong depth, accurate target response, and stable operation—even in saltwater and mineralized conditions.\u003c\/p\u003e\n\u003cp data-start=\"503\" data-end=\"673\"\u003eEngineered for full submersion, this detector is ideal for \u003cstrong data-start=\"562\" data-end=\"616\"\u003ediving, beach hunting, and shallow water detecting\u003c\/strong\u003e, giving you the confidence to search where others can’t.\u003c\/p\u003e\n\u003chr data-start=\"675\" data-end=\"678\"\u003e\n\u003ch3 data-section-id=\"1iz91iu\" data-start=\"680\" data-end=\"696\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"698\" data-end=\"1259\"\u003e\n\u003cli data-section-id=\"1gub3vj\" data-start=\"698\" data-end=\"818\"\u003e\n\u003cstrong data-start=\"700\" data-end=\"729\"\u003eDual-Frequency Technology\u003c\/strong\u003e\u003cbr data-start=\"729\" data-end=\"732\"\u003eImproves target detection and accuracy across different ground and water conditions.\u003c\/li\u003e\n\u003cli data-section-id=\"1wb15be\" data-start=\"820\" data-end=\"932\"\u003e\n\u003cstrong data-start=\"822\" data-end=\"850\"\u003eFully Submersible Design\u003c\/strong\u003e\u003cbr data-start=\"850\" data-end=\"853\"\u003eBuilt for underwater use, making it ideal for diving and shoreline detecting.\u003c\/li\u003e\n\u003cli data-section-id=\"fhuwci\" data-start=\"934\" data-end=\"1037\"\u003e\n\u003cstrong data-start=\"936\" data-end=\"964\"\u003eStrong Depth Performance\u003c\/strong\u003e\u003cbr data-start=\"964\" data-end=\"967\"\u003eCapable of detecting deeper targets with consistent signal response.\u003c\/li\u003e\n\u003cli data-section-id=\"1nozy4d\" data-start=\"1039\" data-end=\"1143\"\u003e\n\u003cstrong data-start=\"1041\" data-end=\"1075\"\u003eAccurate Target Identification\u003c\/strong\u003e\u003cbr data-start=\"1075\" data-end=\"1078\"\u003eHelps distinguish between valuable targets and unwanted metals.\u003c\/li\u003e\n\u003cli data-section-id=\"1fv990n\" data-start=\"1145\" data-end=\"1259\"\u003e\n\u003cstrong data-start=\"1147\" data-end=\"1181\"\u003e10\" Coil for Balanced Coverage\u003c\/strong\u003e\u003cbr data-start=\"1181\" data-end=\"1184\"\u003eProvides a good mix of depth and ground coverage for efficient searching.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1261\" data-end=\"1264\"\u003e\n\u003ch3 data-section-id=\"1lrggvp\" data-start=\"1266\" data-end=\"1284\"\u003eWhy It Matters\u003c\/h3\u003e\n\u003cp data-start=\"1286\" data-end=\"1532\"\u003eDetecting in water introduces challenges like mineralization and salt interference. A dual-frequency, waterproof detector helps maintain stability and accuracy, allowing you to confidently detect in environments where standard detectors struggle.\u003c\/p\u003e\n\u003chr data-start=\"1534\" data-end=\"1537\"\u003e\n\u003ch3 data-section-id=\"3zmk2l\" data-start=\"1539\" data-end=\"1551\"\u003eBest For\u003c\/h3\u003e\n\u003cul data-start=\"1553\" data-end=\"1711\"\u003e\n\u003cli data-section-id=\"rnuvoq\" data-start=\"1553\" data-end=\"1588\"\u003eUnderwater and diving detection\u003c\/li\u003e\n\u003cli data-section-id=\"gw7h3r\" data-start=\"1589\" data-end=\"1625\"\u003eBeach and saltwater environments\u003c\/li\u003e\n\u003cli data-section-id=\"iczahy\" data-start=\"1626\" data-end=\"1656\"\u003eRelic and treasure hunting\u003c\/li\u003e\n\u003cli data-section-id=\"1nc1lie\" data-start=\"1657\" data-end=\"1711\"\u003eDetectorists needing a rugged, waterproof solution\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fisher","offers":[{"title":"Default Title","offer_id":48547963764941,"sku":"CZ21-10","price":1579.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/2017\/5309\/files\/Fisher_CZ-21_Quicksilver_Underwater_Scuba_Detector_With_10_inch_coil.jpg?v=1775058812","url":"https:\/\/detectorhero.com\/products\/fisher-cz-21-quicksilver-dual-frequency-underwater-detector-10-coil","provider":"Detector Hero","version":"1.0","type":"link"}