---
product_id: 543025433
title: "Red Sea 3-in-1 ReefATO + ATO Auto Top Off System for Aquarium | Water On Floor Alarm | App Controled with Fish Tank Temperature Probe"
brand: "red sea"
price: "€ 448.06"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/543025433-red-sea-3-in-1-reefato-ato-auto-top-off
store_origin: NL
region: Netherlands
---

# Fail-proof water level sensor App-controlled monitoring ±0.1° temperature accuracy Red Sea 3-in-1 ReefATO + ATO Auto Top Off System for Aquarium | Water On Floor Alarm | App Controled with Fish Tank Temperature Probe

**Brand:** red sea
**Price:** € 448.06
**Availability:** ✅ In Stock

## Summary

> 🌟 Elevate Your Aquarium Game with Smart Tech!

## Quick Answers

- **What is this?** Red Sea 3-in-1 ReefATO + ATO Auto Top Off System for Aquarium | Water On Floor Alarm | App Controled with Fish Tank Temperature Probe by red sea
- **How much does it cost?** € 448.06 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/543025433-red-sea-3-in-1-reefato-ato-auto-top-off)

## Best For

- red sea enthusiasts

## Why This Product

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

## Key Features

- • **Compact Design:** Fits seamlessly into your setup with a sleek cylindrical design.
- • **Smart Monitoring:** Stay connected with real-time updates via the ReefBeat App.
- • **Precision Engineering:** Experience unparalleled accuracy with titanium probes for water level and temperature.
- • **Whisper-Quiet Operation:** Enjoy a serene aquarium environment with our powerful yet silent ATO pump.
- • **Leak Detection Technology:** Protect your space with a sensitive leak detector that works with all water types.

## Overview

The Red Sea 3-in-1 ReefATO + ATO Auto Top Off System is a cutting-edge solution for aquarium enthusiasts, featuring a fail-proof water level sensor, app-controlled monitoring, and a highly accurate temperature probe. With its compact design and advanced leak detection technology, this system ensures your aquatic environment remains safe and optimal.

## Description

3-in-1 ReefATO + ATO Auto Top Off System for Aquarium | Water On Floor Alarm | App Controled with Fish Tank Temperature Probe

## Features

- Fail-proof (solid-state EC technology) water level sensor, with built-in back-up pump-OFF probes located 2.5cm / 1” above the normal pump-OFF point.
- The full array of the Reef-Spec titanium probes gives an indication at all times of the actual water level relative to the sensor, which can be seen on the ReefBeat App at all times.
- The temperature sensor integrated in the ATO+ sensor has been pre-calibrated to give an accuracy of ±0.1°.
- Safe, Powerful and Quiet ATO Pump - Cylindrical design with diameter of 4.5cm / 1.8” to fit inside standard jerrycans.
- Leak Detector The highly sensitive, Reef-Spec leak detector with saltwater resistant titanium probes detects the full range of waters from RODI to seawater.

## Images

![Red Sea 3-in-1 ReefATO + ATO Auto Top Off System for Aquarium | Water On Floor Alarm | App Controled with Fish Tank Temperature Probe - Image 1](https://m.media-amazon.com/images/I/519wNeV-2NL.jpg)

## Frequently Bought Together

- Red Sea 3-in-1 ReefATO + ATO Auto Top Off System for Aquarium | Water On Floor Alarm | App Controled with Fish Tank Temperature Probe
- FastRack 5 Gallon Hedpak with Cap | BPA-free, Food-Grade, and Leak-Proof | White Water Container | Ideal for brewing, fermentation, or storage

---

## 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.nl/products/543025433-red-sea-3-in-1-reefato-ato-auto-top-off](https://www.desertcart.nl/products/543025433-red-sea-3-in-1-reefato-ato-auto-top-off)

---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-25*