{"product_id":"neptune-magnetic-optical-sensor","title":"Neptune magnetic Optical Sensor","description":"\u003cmeta charset=\"utf-8\"\u003e\n\u003ch4 data-mce-fragment=\"1\"\u003eOPTICAL SENSOR\u003c\/h4\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThis sensor plugs into your FMM and, using reflected infrared light, will signal your Apex when it changes state from being wet to dry or dry to wet. This sensor can be used for constructing your own ATO (auto-top-off), as a high-level warning sensor in your sump, water storage level sensor, and much more.  Included are a fastening nut and silicone washer.  These sensors are sold individually.\u003c\/span\u003e\u003c\/p\u003e","brand":"Neptune Systems","offers":[{"title":"Default Title","offer_id":46723301310690,"sku":null,"price":89.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0066\/1284\/4602\/files\/0084ADAE-5119-42BE-A5F6-A6D976B3C97C.jpg?v=1753753603","url":"https:\/\/reefsecrets.com.au\/products\/neptune-magnetic-optical-sensor","provider":"Reef Secrets ","version":"1.0","type":"link"}