---
product_id: 723555681
title: "MagTool Aquarium Auto Top Off System, Aquarium ATO LITE with Dual Optical Sensor for Both Reef and Fresh Tanks(GREEN)"
brand: "magtool"
price: "$U4061"
currency: UYU
in_stock: true
url: https://www.desertcart.uy/products/723555681-magtool-aquarium-auto-top-off-system-aquarium-ato-lite-dual
store_origin: UY
region: Uruguay
---

# Dual high-precision optical sensors Compact 0.8-inch footprint Advanced anti-overflow safety algorithm MagTool Aquarium Auto Top Off System, Aquarium ATO LITE with Dual Optical Sensor for Both Reef and Fresh Tanks(GREEN)

**Brand:** magtool
**Price:** $U4061
**Availability:** ✅ In Stock

## Summary

> 💧 Keep your aquarium flawless—automate with precision and peace of mind!

## Quick Answers

- **What is this?** MagTool Aquarium Auto Top Off System, Aquarium ATO LITE with Dual Optical Sensor for Both Reef and Fresh Tanks(GREEN) by magtool
- **How much does it cost?** $U4061 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/723555681-magtool-aquarium-auto-top-off-system-aquarium-ato-lite-dual)

## Best For

- magtool enthusiasts

## Why This Product

- Trusted magtool brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Space-Smart Design:** Ultra-compact 0.8-inch profile fits seamlessly in any tank setup.
- • **Smart Safety Algorithm:** Automatically calculates refill time to eliminate overflow risks.
- • **All-Inclusive Setup Kit:** Includes pump, tubing, valve, and mounting bracket for effortless installation.
- • **Versatile Compatibility:** Perfect for reef and freshwater tanks, from AIO sumps to display aquariums.
- • **Precision Water Level Control:** Dual optical sensors ensure exact water top-off and prevent spills.

## Overview

The MagTool Aquarium Auto Top Off System features dual high-precision optical sensors for accurate water level monitoring and overflow prevention. Its compact 0.8-inch design fits both rimmed and rimless tanks, while an intelligent algorithm customizes refill timing to safeguard your aquarium. Complete with a powerful 74GPH pump, anti-siphon valve, and all necessary accessories, this versatile system supports both reef and freshwater setups, ensuring hassle-free, reliable water management.

## Description

MagTool Aquarium Auto Top Off System, Aquarium ATO LITE with Dual Optical Sensor for Both Reef and Fresh Tanks(GREEN)

## Features

- Dual High-Precision Optical Sensors: Equipped with two advanced optical sensors—one monitors water level to trigger timely replenishment, while the other prevents overflows, ensuring your aquarium maintains a stable water level and avoids excess water spillage.
- Compact Design: With a minimal footprint of just 0.8 inches, this ATO system features integrated 1mm high-precision sensors, making it perfect for both rimmed and rimless tanks of all sizes, without taking up valuable space.
- Safety Features: In addition to the anti-overflow sensor, the ATO system includes a sophisticated algorithm to prevent water overfilling. Upon startup, it assesses your tank size, calculates the required water refill time, and sets up safeguards to avoid any accidental overflows.
- Complete Set of Accessories: The package includes a 12V DC water pump (1.5x1.5x2.0 inches, 74GPH, 8.2 ft head), power adapter, anti-siphon check valve, 1.5-meter water pipe, mounting bracket, user manual, and ATO controller—everything you need to set up and run your system.
- Versatile & Reliable: Designed for both freshwater and saltwater aquariums, this ATO system is perfect for various setups including AIO tank sumps, bottom-filter sumps, and freshwater display tanks. Plus, it comes with a warranty for your peace of mind.

## Product Details

- **Color:** Green
- **Brand:** MagTool
- **Voltage:** 12 Volts (DC)
- **Material:** Plastic
- **Item Weight:** 0.4 Kilograms

## Images

![MagTool Aquarium Auto Top Off System, Aquarium ATO LITE with Dual Optical Sensor for Both Reef and Fresh Tanks(GREEN) - Image 1](https://m.media-amazon.com/images/I/61u38A4bPqL.jpg)

## Available Options

This product comes in different **Size** options.

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**Shop now:** [https://www.desertcart.uy/products/723555681-magtool-aquarium-auto-top-off-system-aquarium-ato-lite-dual](https://www.desertcart.uy/products/723555681-magtool-aquarium-auto-top-off-system-aquarium-ato-lite-dual)

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-01-25*