{"product_id":"aquarium-auto-top-off-system-for-stable-water-levels-in-freshwater-and-reef-tanks-with-dual-sensors","title":"Aquarium Auto Top-Off System for Stable Water Levels in Freshwater and Reef Tanks with Dual Sensors","description":"\u003cp\u003eKeep your aquarium’s water level steady between maintenance sessions with an automatic top-off system built for freshwater and reef setups. N-Fill Smart ATO monitors the same water line with two float sensors, then adds water when either sensor detects a low level.\u003c\/p\u003e\u003cp\u003eThe compact controller, quiet pump and included siphon-breaker hardware support dependable day-to-day operation, while clear controls make feeding, priming and maintenance easy to manage.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDual float sensors monitor one water line independently, so either sensor can trigger a refill if the level drops.\u003c\/li\u003e\n\u003cli\u003eThe controller pauses filling after about 90 seconds of continuous pump operation, sounding an alarm and lighting the Status LED to help limit over-filling.\u003c\/li\u003e\n\u003cli\u003eManual, 30-minute Pause and 24-hour Stop controls let you prime the pump, pause during feeding or disable automatic filling for major maintenance.\u003c\/li\u003e\n\u003cli\u003eA quiet DC pump delivers up to 180 L\/h with a maximum head of 160 cm, fitting common nano and mid-size aquarium reservoirs.\u003c\/li\u003e\n\u003cli\u003eThe included siphon breaker and tubing organizer help keep the refill outlet above the aquarium surface and route tubing neatly along the rim.\u003c\/li\u003e\n\u003cli\u003eThe system supports both freshwater and saltwater aquariums, including planted tanks and reef aquariums.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTank compatibility: freshwater and saltwater aquariums\u003c\/li\u003e\n\u003cli\u003ePower input: AC 100–240 V, 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003ePower adapter output: DC 12 V, 1 A; UL listed\u003c\/li\u003e\n\u003cli\u003eMaximum pump head: 160 cm (63 in)\u003c\/li\u003e\n\u003cli\u003eMaximum flow rate: 180 L\/h (47.6 GPH)\u003c\/li\u003e\n\u003cli\u003eMaximum glass thickness: up to 15 mm (0.6 in)\u003c\/li\u003e\n\u003cli\u003eSensor adjustment: standard arm up to 10 cm (4 in) below rim\u003c\/li\u003e\n\u003cli\u003eOptional extension reach: approximately 25 cm (10 in) total below rim\u003c\/li\u003e\n\u003cli\u003eControl modes: manual fill, 30-minute pause, 24-hour stop\u003c\/li\u003e\n\u003cli\u003eTubing length: 2 m (6.5 ft)\u003c\/li\u003e\n\u003cli\u003eIncluded: controller, dual float sensors, N-Neon tubing organizer, submersible pump, tubing, siphon breaker and power adapter\u003c\/li\u003e\n\u003cli\u003ePower adapter note: supplied unit uses a US plug; connector is 5.5 × 2.1 mm (5521)\u003c\/li\u003e\n\u003cli\u003eWarranty: 1-year limited warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSet up N-Fill Smart ATO to reduce daily top-off chores while keeping your aquarium’s waterline consistent. Check that the siphon breaker and refill outlet stay above their required waterlines, then use the status lights and simple buttons to keep routine care under control.\u003c\/p\u003e","brand":"Nature Dimensions","offers":[{"title":"N-Fill Smart ATO","offer_id":44666211205223,"sku":"SHP-4819-D1D098","price":94.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/6209\/8279\/files\/9293030424819-main-001.jpg?v=1789909608","url":"https:\/\/cozypawwear.com\/products\/aquarium-auto-top-off-system-for-stable-water-levels-in-freshwater-and-reef-tanks-with-dual-sensors","provider":"CozyPaw Wear","version":"1.0","type":"link"}