---
product_id: 322419597
title: "ATO"
brand: "hygger"
price: "₨2446"
currency: SCR
in_stock: true
reviews_count: 10
url: https://www.desertcart.sc/products/322419597-ato
store_origin: SC
region: Seychelles
---

# 74gph flow rate 2 optical sensors Overfill protection ATO

**Brand:** hygger
**Price:** ₨2446
**Availability:** ✅ In Stock

## Summary

> 💦 Dive into hassle-free aquarium care!

## Quick Answers

- **What is this?** ATO by hygger
- **How much does it cost?** ₨2446 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/322419597-ato)

## Best For

- hygger enthusiasts

## Why This Product

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

## Key Features

- • **Ready to Go:** Complete kit with easy installation for immediate use.
- • **Safety First:** Built-in alerts prevent overfilling and pump damage.
- • **Versatile Use:** Compatible with both marine and freshwater tanks up to 60 gallons.
- • **Smart Monitoring:** Dual sensors ensure optimal water levels for your aquatic friends.
- • **Effortless Maintenance:** Automatic top-off system saves you time and energy.

## Overview

The ATO is an automatic top-off system designed for aquarium enthusiasts, featuring dual optical sensors that monitor and replenish water levels. With a flow rate of 74 gallons per hour and built-in safety mechanisms, it ensures your aquatic environment remains stable and healthy, whether you're at home or away.

## Description

Full description not available

## Features

- 【How does it Work】Automatic top off system with 2 optical sensors monitors and replenishes evaporated water each day. A great time and energy saver for saltwater tank fish keeper especially when you are not at home.
- 【Fail-Safe Design】build in two set of sensors, hygger auto top off keeps track of the water line of aquarium/sump tank. ATO monitoring sensor which keep a constant watch on the water level in your tank, and when it drops below a certain level and the water pump will be activated to automatically refill the tank. While the external sensor monitors reservoir's water level to ensure the water pump not running dry as a result of water drying out.
- 【Overfill Protection】Use a top probe to sense the high water level, the ATO sensor alerts with flashing led light and beeping sound if there is any malfunctioning with the device itself, auto shut off the water pump when the water level exceeds the desired maximum top off level. It to be used in both marine and freshwater aquariums up to 60 gallon.
- 【Enable Drain Out Water】 Comes with a mini DC-powered water pump and a soft hose which can effectively pumps water from bucket/jug with a head height of up to 2 meters. Vice versa. It can also drain dirty water out of the tank. Flow rate: 74gph.
- 【Packing Include】 1 x ATO monitor sensor; 1 x external sensor; 1 x water pump; 1 x 5.9 ft soft hose; 1 x hose holder; 1 x user manual. A read-to-go kit out of box, it is easily installed via a magnetic mounting which can be used on tank glass up to 1/2'' (12mm) thickness.

## Images

![ATO - Image 1](https://m.media-amazon.com/images/I/61msf9HMyHL.jpg)
![ATO - Image 2](https://m.media-amazon.com/images/I/71drE3S-vxL.jpg)
![ATO - Image 3](https://m.media-amazon.com/images/I/71B0+jOSDTS.jpg)
![ATO - Image 4](https://m.media-amazon.com/images/I/71T9DCrleIS.jpg)
![ATO - Image 5](https://m.media-amazon.com/images/I/71ZQxlmY+XL.jpg)

## Questions & Answers

**Q: how do you mount this unit if your aquarium has trim along the top of the tank? it is to think with the trim**
A: If the guard is blocking it you would have to mount it under the plastics guard if it was a rimless tank you would have no issues and I would assume you would need it to be attached to each other with something clear and not have something plastic or anything that would block the signal from the mount to the main controller

**Q: Can I buy just the little pump? I bought this top off system and I would like to have the same little pump in my pre mixxed bucket for water changes**
A: Look for one with the same end. There’s several on here

**Q: I tried to put this in my sump, it does not work! The water level was under the device and it didn’t go off. I have a hard plastic eshopp sump**
A: Hi, this ato monitor needs to be installed on the transparent tank wall. If you can't fix it, could you please contact us? Thank you.

**Q: If your not the seller dont answer this, my pump has burned out after just 5 months, is there a replacmemt avalible?**
A: Contact seller directly. I can say your one lasted longer than the two I tried from them. 🫤

## Customer Reviews

### ⭐⭐⭐ 3.0 out of 5 stars







  
  
    Not perfect, but still helpful
  

*by J***H on Reviewed in the United States on February 27, 2023*

I bought this item to help automate changing water in my nano tanks.  There are pros and cons to it.Biggest pro is that having this system allows me to multi-task. The pump is pretty slow, and between draining & refill it allows me plenty of time to trim plants, clean glass, clean filter etc.Biggest con is that there is nothing in the system to prevent siphoning if unattended; water keeps draining after the pump turns off. For tank filling this is easy enough to solve with the addition of a check valve. For draining, I added a float valve to prevent my bucket from overflowing if I ever get too distracted, but I don’t know of anything that will make the water stop when the pump stops.Also, I had to return my first one because the sensors didn’t work. Haven’t had the second one long enough to test longevity otherwise.Tip: if you’re like me and prefer to keep items in their original package when storing, use this photo of it out of the box. They pack a lot into the bottom of the box.

### ⭐ 1.0 out of 5 stars







  
  
    BEEP, BEEP, BEEP, BEEP
  

*by D***K on Reviewed in the United States on April 27, 2023*

I used this ATO for one week. Initial setup was simple and the first test and subsequent first fill went great..."Sweet this is gonna work"...Just kidding. The alarm sounded the first night @ 3:30am for reasons unknown at the time so I just unplugged it to stop the damn beeping. When I plugged the unit back in and listened to more beeping read the blinking light flow chart the unit is alarming for a dirty level sensor or glass. The sensor and tank glass are clean but still the damn beeping. I moved the sensor to another area and now all is well...I thought. The next night the pump added too much water and the alarm sounded for an over fill. 2 days later the alarm went off when I was at work and my wife was home alone. I just had her unplug it. Upon my return home I found that now the alarm was for a pump malfunction. I removed the pump and inspected it for debris or a stuck impeller. There was nothing obvious wrong with the pump so it was reinstalled and the power reconnected. Now the pump operates normally again. About an hour after the pump was issue was resolved the stupid beeping started again with the lights blinking for a dirty sensor again WTF. All of this in just 5 days of use. Was any testing of these systems done at all before selling them? What an annoying piece of junk.The whole reason we install these devices is to add stability and reliability to our systems. This product does nothing of the sort. It is just a finicky hassle to kind of maintain your water level for 12-18 hours at a time then beep at you for something else. This device is not reliable enough to use for any length of time.

### ⭐⭐⭐⭐ 4.0 out of 5 stars







  
  
    lasted one week them pump stopped working.
  

*by J***S on Reviewed in the United States on March 5, 2023*

Product worked fine for a week then the pump stopped working and blue light flashed and unit started beeping . ordered new pump they do not have replacement pump in their store. So now I have a 74 Dollar system that is worthless. They sent me another pump and so far it has been working great.

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-22*