---
product_id: 539826534
title: "Auto Top Off for Saltwater Aquarium Water ATO System for Both Reef and Fresh Tank - Green"
brand: "useek"
price: "₨1912"
currency: SCR
in_stock: true
url: https://www.desertcart.sc/products/539826534-auto-top-off-for-saltwater-aquarium-water-ato-system-both
store_origin: SC
region: Seychelles
---

# 0.7" compact size Real-time protection Easy installation Auto Top Off for Saltwater Aquarium Water ATO System for Both Reef and Fresh Tank - Green

**Brand:** useek
**Price:** ₨1912
**Availability:** ✅ In Stock

## Summary

> 💧 Dive into worry-free aquarium care!

## Quick Answers

- **What is this?** Auto Top Off for Saltwater Aquarium Water ATO System for Both Reef and Fresh Tank - Green by useek
- **How much does it cost?** ₨1912 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/539826534-auto-top-off-for-saltwater-aquarium-water-ato-system-both)

## Best For

- useek enthusiasts

## Why This Product

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

## Key Features

- • **Smart Alerts:** Visual notifications and pump safety features for worry-free operation.
- • **Sleek & Space-Saving:** Nano design fits seamlessly in any aquarium setup.
- • **Versatile Compatibility:** Perfect for both saltwater and freshwater tanks.
- • **Maintain Aquatic Balance:** Automatically regulates water levels to prevent salinity spikes.
- • **Customer-Centric Warranty:** Two-year warranty with responsive support for peace of mind.

## Overview

The Auto Top Off (ATO) system is designed for both saltwater and freshwater aquariums, featuring a compact 0.7-inch diameter for unobtrusive installation. It automatically maintains water levels, preventing salinity fluctuations, and includes smart alerts for optimal performance. With easy installation and a two-year warranty, it's the perfect solution for aquarium enthusiasts.

## Description

Sponsored Ad - Auto Top Off for Saltwater Aquarium Water ATO System for Both Reef and Fresh Tank - Green

## Features

- WHY YOU NEED ATO? - All Aquarium regularly evaporate water. In salt water Aquarium, as the water evaporates, the water level in Aquarium will drop and the salinity concentration will rise. Compared with other methods,The ATO system automatically maintains the water level in the aquarium, preventing fluctuations in salinity concentration and maintaining a stable and healthy environment for aquatic life.
- SPACE-SAVING, COMPACT DESIGN - With a nano size of only 0.7 inches diameter, this Auto Top Off for aquariums is both unobtrusive and elegant, fitting seamlessly in rimmed or rimless tanks and sumps.
- REAL-TIME PROTECTION WITH QST - Our ATO system carefully calculates and adjusts to the ideal fill time, offering visual alerts and stopping the pump if it detects a refilling time 6 times longer than expected, ensuring protection against overfilling, dry running, and sensor malfunctions.
- EASY INSTALLATION & VERSATILE USE - The Auto Top Off kit includes everything you need for a hassle-free setup, making it simple to integrate into any rimmed or rimless aquarium. A perfect gift for aquarium enthusiasts, this system is a delightful surprise for friends and family alike.
- TWO-YEAR WARRANTY & RESPONSIVE CUSTOMER SERVICE - Your satisfaction is our priority, so we offer a two-year product warranty and friendly customer support to address any questions or concerns. Enjoy peace of mind with our free replacement policy and helpful assistance.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Specific Uses For Product | Saltwater and Freshwater Aquariums |
| Additional Features | Rimless, Lightweight |
| Target Species | Fish |
| Style Name | Compact,Simple |
| Color | Green-1 |
| Material Type | Acrylonitrile Butadiene Styrene (ABS) |

## Product Details

- **Brand:** Useek
- **Material:** Acrylonitrile Butadiene Styrene (ABS)
- **Special Feature:** Lightweight, Rimless
- **Item Weight:** 0.4 Kilograms
- **Specific Uses For Product:** Saltwater and Freshwater Aquariums
- **Style:** Compact,Simple
- **Color:** Green-1
- **Included Components:** Pump
- **UPC:** 799355750325
- **Vivarium Type:** Aquarium

## Images

![Auto Top Off for Saltwater Aquarium Water ATO System for Both Reef and Fresh Tank - Green - Image 1](https://m.media-amazon.com/images/I/71d6+DGjiDL.jpg)

## Available Options

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

## Questions & Answers

**Q: Would this work on a 60 gallon AIO? I’ve only had it on a nano**
A: More surface area = longer top off

**Q: Does the sensor light up or is there no light in the sensor?**
A: It lights up.  It blinks when topping off

## Frequently Bought Together

- Useek Auto Top Off for Saltwater Aquarium Water ATO System for Both Reef and Fresh Tank - Green
- Aquatic Life RO Buddie 4-Stage Reverse Osmosis Deionization Water Filter System RO/DI Filtration Units for Aquarium, 50 GPD

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**Shop now:** [https://www.desertcart.sc/products/539826534-auto-top-off-for-saltwater-aquarium-water-ato-system-both](https://www.desertcart.sc/products/539826534-auto-top-off-for-saltwater-aquarium-water-ato-system-both)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-18*