--- product_id: 564536018 title: "Auto Top Off System with Independent Controller - Dual Optical Sensor ATO with Visual Safety Alarms & 74 GPH Pump for Saltwater Freshwater Aquarium" brand: "fzone" price: "Rp4183536" currency: IDR in_stock: true reviews_count: 8 category: "Fzone" url: https://www.desertcart.id/products/564536018-auto-top-off-system-with-independent-controller-dual-optical-sensor store_origin: ID region: Indonesia --- # 74 GPH pump flow rate Dual optical sensors 0.6 cm precision Visual safety alarms with QST 2.0 tech Auto Top Off System with Independent Controller - Dual Optical Sensor ATO with Visual Safety Alarms & 74 GPH Pump for Saltwater Freshwater Aquarium **Brand:** fzone **Price:** Rp4183536 **Availability:** ✅ In Stock ## Summary > 💧 Stay ahead of the tide with precision and peace of mind! ## Quick Answers - **What is this?** Auto Top Off System with Independent Controller - Dual Optical Sensor ATO with Visual Safety Alarms & 74 GPH Pump for Saltwater Freshwater Aquarium by fzone - **How much does it cost?** Rp4183536 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.id](https://www.desertcart.id/products/564536018-auto-top-off-system-with-independent-controller-dual-optical-sensor) ## Best For - fzone enthusiasts ## Why This Product - Trusted fzone brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Safety Alarms:** Real-time alerts and auto-shutdown prevent overfills and sensor failures, protecting your aquatic investment. - • **Powerful Yet Quiet Pump:** 74 gallons per hour flow with whisper-quiet operation ensures efficient, disturbance-free top-offs. - • **Hassle-Free Installation:** Includes strong magnets, check valve, and 6-foot tubing for quick, secure setup—perfect for busy pros. - • **Compact & Versatile Design:** Slim sensors and compact pump fit rimmed, rimless, and sump tanks seamlessly, adapting to your setup. - • **Precision Water Level Control:** Dual optical sensors maintain water levels within 0.6 cm for flawless aquarium balance. ## Overview The FZONE Auto Top Off System 2.0 features dual optical sensors for ultra-precise water level management, a robust 74 GPH quiet pump, and advanced QST 2.0 safety alarms. Designed for both saltwater and freshwater tanks, its compact form factor and included accessories enable easy installation and reliable operation, making it an essential upgrade for aquarium enthusiasts who demand flawless automation and protection. ## Description FZONE Auto Top Off System with Independent Controller - Dual Optical Sensor ATO with Visual Safety Alarms & 74 GPH Pump for Saltwater Freshwater Aquarium : desertcart.co.uk: Pet Supplies Review: Great ATO that was easy to install - Great product with useful features. Easy to install and works very well. The low resovior water warning light is a great touch. Review: Pump keeps turning off - works fine for couple of days then turns itself off meaning have to restart it. Edit. Seller sent me out a new unit. Works perfectly now thanks v much. ## Features - Upgraded 2.0 ATO System：The 2.0 ATO system ensures efficient daily water level maintenance for saltwater and freshwater tanks, making it ideal for use during trips or holidays. The upgraded interface allows you to easily start, pause, or resume the system with the FZ button - Compact and Versatile Design：The optical sensor measures just 0.79 inches in diameter, making it suitable for rimmed, rimless, or sump tanks. Dual sensors, spaced 0.1 cm apart, monitor water levels with precision, maintaining a difference of only 0.6 cm. Recommended for tanks with wave fluctuations under 1 cm. - Enhanced Safety Features：QST 2.0 technology provides real-time overfill protection. The system stops the pump and triggers an alarm if refilling exceeds six times the preset limit. It also detects sensor issues and low reservoir levels for added safety. - Quiet Micro Pump：The compact pump fits tanks with neck sizes over 1.97 inches, offering a flow rate of 74 gallons per hour and a lift height of up to 2 meters. Optimized operation reduces unnecessary activations, extending pump life. - Complete Accessories Included：The set includes strong magnets (compatible with tank walls up to 0.78 inches thick), a check valve to prevent backflow, and a 6-foot (180 cm) tube for quick installation. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C68N3WK9 | | Best Sellers Rank | 63,845 in Pet Supplies ( See Top 100 in Pet Supplies ) 218 in Aquarium Water Pumps | | Brand | FZONE | | Colour | Blue | | Country of Origin | China | | Customer Reviews | 4.1 out of 5 stars 373 Reviews | | Flow Rate | 1.23 Gallons Per Minute | | Included Components | 1 | | Item Dimensions L x W x H | 5L x 3W x 3H millimetres | | Item Weight | 0.4 Kilograms | | Manufacturer | FZONE | | Material | Plastic | | Maximum Lifting Height | 2 Metres | | Model Number | FZ-580P | | Power source | Corded Electric | | Product Style | Compact | | Product dimensions | 5L x 3W x 3H millimetres | | Style | Compact | | Unit Count | 1.0 count | | Voltage | 15 Volts | ## Product Details - **Brand:** FZONE - **Colour:** Blue - **Material:** Plastic - **Style:** Compact - **Product dimensions:** 5L x 3W x 3H millimetres - **Power source:** Corded Electric - **Item weight:** 0.4 Kilograms - **Maximum flow rate:** 1.23 Gallons Per Minute - **Maximum lifting height:** 2 Metres - **Voltage:** 15 Volts ## Images ![Auto Top Off System with Independent Controller - Dual Optical Sensor ATO with Visual Safety Alarms & 74 GPH Pump for Saltwater Freshwater Aquarium - Image 1](https://m.media-amazon.com/images/I/51LdVhZJ0ML.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great ATO that was easy to install *by R***D on 17 January 2026* Great product with useful features. Easy to install and works very well. The low resovior water warning light is a great touch. ### ⭐⭐⭐⭐⭐ Pump keeps turning off *by R***S on 30 March 2025* works fine for couple of days then turns itself off meaning have to restart it. Edit. Seller sent me out a new unit. Works perfectly now thanks v much. ### ⭐⭐⭐⭐⭐ Easy fitting *by J***A on 30 December 2025* Fitted easily. Works as expected. Hopefully works long term. ## Frequently Bought Together - FZONE ATO with Controller, QST2.0 Auto Top Off System for Saltwater Aquarium & Freshwater Aquarium - PAIZOO Fish Tank Digital Thermometer Accurate LED Display to ±0.9°F Tank Thermometer Aquarium Temperature Measurement Suitable for Fish, Axolotl, Turtle or Aquatic --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.id/products/564536018-auto-top-off-system-with-independent-controller-dual-optical-sensor](https://www.desertcart.id/products/564536018-auto-top-off-system-with-independent-controller-dual-optical-sensor) --- *Product available on Desertcart Indonesia* *Store origin: ID* *Last updated: 2026-04-22*