---
product_id: 564536018
title: "FZONE 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: "€ 106.85"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/564536018-fzone-auto-top-off-system-with-independent-controller-dual-optical
store_origin: IE
region: Ireland
---

# Dual optical sensors, 0.6 cm precision 74 GPH ultra-quiet pump Real-time safety alarms & auto shutoff FZONE 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:** € 106.85
**Availability:** ✅ In Stock

## Summary

> 💧 Keep your aquarium flawless and worry-free with FZONE’s smartest auto top-off system!

## Quick Answers

- **What is this?** FZONE 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?** € 106.85 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/564536018-fzone-auto-top-off-system-with-independent-controller-dual-optical)

## 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 First:** QST 2.0 tech halts overfilling and alerts you instantly, protecting your aquatic ecosystem.
- • **Compact & Versatile Fit:** Slim 0.79-inch sensors and compact pump fit rimmed, rimless, and sump tanks effortlessly.
- • **Plug & Play Convenience:** Includes magnets, check valve, and 6-foot tubing for fast, hassle-free installation.
- • **Precision Water Level Control:** Dual optical sensors maintain water levels within 0.6 cm for flawless aquarium balance.
- • **Whisper-Quiet Pump Performance:** 74 gallons per hour flow with noise levels as low as 30 dB keeps your space serene.

## Overview

The FZONE Auto Top Off System 2.0 features dual optical sensors for precise water level monitoring within 0.6 cm, a whisper-quiet 74 GPH pump, and advanced QST 2.0 safety alarms that prevent overfilling and detect sensor or reservoir issues. Compact and versatile, it fits various tank types and includes all necessary accessories for quick installation, making it ideal for both saltwater and freshwater aquariums.

## Description

FZONE Auto Top Off System with Independent Controller - Dual Optical Sensor ATO with Visual Safety Alarms & 74 GPH Pump for Saltwater Freshwater Aquarium

## 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 |
|---------------|-------|
| Manufacturer | FZONE |
| Part Number | ATO-580P |
| Product Dimensions | 0.51 x 0.25 x 0.25 cm; 400 g |
| Item model number | FZ-580P |
| Colour | Blue |
| Style | Compact |
| Material | Plastic |
| Pattern | ATO-580P |
| Power Source | Corded Electric |
| Voltage | 15 Volts |
| Item Package Quantity | 1 |
| Flow rate | 1.23 Gallons Per Minute |
| Sound level | 30 Decibels |
| Usage | Inside |
| Included Components | 1 |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 400 g |

## 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

![FZONE 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)

## 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

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**Shop now:** [https://www.desertcart.ie/products/564536018-fzone-auto-top-off-system-with-independent-controller-dual-optical](https://www.desertcart.ie/products/564536018-fzone-auto-top-off-system-with-independent-controller-dual-optical)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-14*