{"product_id":"fzone-aquarium-ato-auto-top-off-dual-sensor-reef-freshwater-green-blue","title":"FZONE Aquarium ATO Auto Top Off Dual Sensor Reef Freshwater Green Blue","description":"\u003ch2\u003eAutomatic Water-Level Control for Freshwater \u0026amp; Reef Tanks\u003c\/h2\u003e\n\n\u003cp\u003eMaintain a more consistent aquarium water level with the FZONE Auto Top-Off System. Dual optical sensors monitor evaporation and activate the included refill pump when additional water is needed.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAvailable Colors:\u003c\/strong\u003e Green and Blue. Select your preferred color before adding the system to your cart.\u003c\/p\u003e\n\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eDual Optical Sensors:\u003c\/strong\u003e Monitor high and low water levels for precise automatic refilling.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eThree-Layer Control Technology:\u003c\/strong\u003e EFTT, AFT and QST 2.0 help manage fill time, reduce unnecessary pump cycling and detect potential operating issues.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eAutomatic Safety Shutoff:\u003c\/strong\u003e Stops the pump and provides a visual alert when abnormal filling, an empty reservoir or a malfunction is detected.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eCompact Installation:\u003c\/strong\u003e The slim sensor fits many rimmed, rimless, nano, medium and sump aquarium setups.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eFreshwater \u0026amp; Saltwater Use:\u003c\/strong\u003e Helps replace water lost through evaporation in freshwater, marine and reef aquariums.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\n\u003cp\u003eATO controller, DC refill pump, universal tube holder, water check valve, power adapter, 6.5-foot PU tubing and user manual.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eColors: Green or Blue\u003c\/li\u003e\n\t\u003cli\u003ePump flow rate: Up to 74 GPH (approximately 270–280 LPH)\u003c\/li\u003e\n\t\u003cli\u003eMaximum pump lift: 6.56 feet (2 meters)\u003c\/li\u003e\n\t\u003cli\u003ePower: AC 100–240V input; DC 12V\/1A output\u003c\/li\u003e\n\t\u003cli\u003eMagnetic mounting supports aquarium walls up to 0.78 inch (20 mm) thick\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Follow the included setup and calibration instructions carefully. Position the refill tube above the aquarium’s maximum water level and install the check valve in the correct direction to reduce backflow and siphoning risk. Regularly inspect and clean the sensors, pump and tubing. No automatic top-off system eliminates the need for routine aquarium monitoring.\u003c\/p\u003e\n\n\u003cp\u003eChoose Green or Blue and make daily aquarium water-level maintenance easier.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWags \u0026amp; Whiskers Pet Supply — Where Every Pet Is Family.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"Product\",\n      \"@id\": \"https:\/\/wagswhiskerspetsupply.com\/products\/fzone-aquarium-auto-top-off-system#product\",\n      \"name\": \"FZONE Aquarium Auto Top-Off System with Dual Optical Sensors\",\n      \"url\": \"https:\/\/wagswhiskerspetsupply.com\/products\/fzone-aquarium-auto-top-off-system\",\n      \"description\": \"Automatic aquarium top-off system with dual optical sensors, refill pump and safety controls for freshwater, marine and reef aquariums.\",\n      \"brand\": {\n        \"@type\": \"Brand\",\n        \"name\": \"FZONE\"\n      },\n      \"category\": \"Aquarium Auto Top-Off Systems\",\n      \"color\": [\n        \"Green\",\n        \"Blue\"\n      ],\n      \"additionalProperty\": [\n        {\n          \"@type\": \"PropertyValue\",\n          \"name\": \"Water Type\",\n          \"value\": \"Freshwater and saltwater\"\n        },\n        {\n          \"@type\": \"PropertyValue\",\n          \"name\": \"Sensor Type\",\n          \"value\": \"Dual optical sensors\"\n        },\n        {\n          \"@type\": \"PropertyValue\",\n          \"name\": \"Maximum Pump Flow\",\n          \"value\": \"74 GPH\"\n        },\n        {\n          \"@type\": \"PropertyValue\",\n          \"name\": \"Maximum Pump Lift\",\n          \"value\": \"6.56 feet (2 meters)\"\n        },\n        {\n          \"@type\": \"PropertyValue\",\n          \"name\": \"Maximum Mounting Thickness\",\n          \"value\": \"0.78 inch (20 mm)\"\n        }\n      ]\n    },\n    {\n      \"@type\": \"FAQPage\",\n      \"@id\": \"https:\/\/wagswhiskerspetsupply.com\/products\/fzone-aquarium-auto-top-off-system#faq\",\n      \"mainEntity\": [\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What colors are available?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"The FZONE aquarium auto top-off system is available in Green and Blue.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Can this ATO system be used in freshwater and saltwater aquariums?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Yes. 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