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Item #:
83125481
Aquarium ATO, Auto Top Off for Freshwater Saltwater Aquarium, Fish Tank Automatic Top Off System (ATO 100)
Item #:
83125481
RWF 67591
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
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In stock
Imported from USA store
QTY:
Only 5 items left in stock.
Order now and get it around Wednesday, September 09
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What Stands Out
Dual Sensor Technology
Equipped with advanced dual sensors, this ATO system ensures precise water level detection, preventing overflow and ensuring a stable environment for both freshwater and saltwater aquariums.
Automatic Operation
This kit offers hassle-free automatic top-off functionality, effortlessly maintaining water levels and reducing the need for manual refilling, ultimately saving time for busy aquarium owners.
Versatile Compatibility
Designed for all aquarium types, this ATO system seamlessly integrates into various fish tank setups, making it an ideal solution for hobbyists and professionals seeking reliability and convenience.
Product Details
| Brand Name | MostAqua |
| Included Components | ATO Controller, Water Pump, Power Adapter, Tubing, Tube Holder, User Manual |
| Model Number | ATO100 |
| Number of Items | 1 |
| Manufacturer | MostAqua |
| Unit Count | 1 Count |
| Item Type Name | Aquarium ATO |
| Manufacturer Part Number | MAT100-1 |
| Additional Features | Lightweight, Saltwater or Freshwater, Self Watering |
| Specific Uses For Product | Indoor |
| Vivarium Type | Aquarium |
| Pet Type | Fish |
| Target Species | Aquarium |
| Item Weight | 13.12 ounces (371.95 grams) |
| Product Style | ATO 100 |
| Color | Clear |
| Material Type | Acrylonitrile Butadiene Styrene (ABS) |
| Package Dimensions | 6.26 x 6.26 x 2.44 inches (15.9 x 15.9 x 6.2 cm); 13.12 ounces (371.95 grams) |
| Brand | MostAqua |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Special Feature | Lightweight, Saltwater or Freshwater, Self Watering |
| Style | ATO 100 |
Who Should Buy?
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Aquarium Enthusiasts
Perfect for passionate aquarists seeking reliable water replenishment in both freshwater and saltwater systems.
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Busy Professionals
Ideal for individuals with limited time who want to maintain optimal water levels effortlessly while at work.
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First-Time Owners
Great for new aquarium owners who need assistance in managing water levels to ensure fish health and stability.
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Low-Budget Users
Not suitable for those looking for the cheapest options without considering reliability and quality in aquaristics.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is an Aquarium ATO and how does it work?
Answer: An Aquarium ATO, or Auto Top Off system, automatically replenishes water lost due to evaporation in your freshwater or saltwater aquarium. It uses a water sensor to detect low water levels and activates a pump or valve to refill the tank from a reservoir. This ensures your aquarium maintains a consistent water level, which is crucial for fish health and overall tank stability. For instance, in a planted tank, maintaining proper water levels helps keep nutrients balanced, promoting growth. -
Question:
Is the Aquarium ATO suitable for both freshwater and saltwater aquariums?
Answer: Yes, the Aquarium ATO is designed to work seamlessly in both freshwater and saltwater aquariums. Its versatility means you can use it regardless of the type of aquatic life you are keeping. Many marine aquarists prefer ATO systems to stabilize salinity levels, especially during hot weather when evaporation rates can be higher. This functionality is vital for maintaining fish and coral health. -
Question:
What benefits does an Auto Top Off system provide?
Answer: An Auto Top Off system provides several benefits, including increased convenience, reduced maintenance time, and enhanced water quality. By automatically adding water to compensate for evaporation, you save time on manual top-offs and avoid errors that could lead to imbalances in salinity or water parameters. This is especially helpful in larger aquariums where water loss can fluctuate significantly, ensuring your aquatic environment remains stable. -
Question:
How to set up the Aquarium ATO 100 system?
Answer: Setting up the Aquarium ATO 100 involves a few key steps: first, find a suitable location for the water reservoir. Next, install the sensors in your aquarium according to the provided instructions, ensuring they are above the minimum water level. Lastly, connect the pump and power it on. This system can be easily integrated into your existing aquarium setup, making it a hassle-free addition for maintaining optimal water conditions. -
Question:
How does the sensor in the ATO system work?
Answer: The sensor in the ATO system detects water levels through a float mechanism or electronic sensing. When water levels drop below a certain point, the sensor activates the top-off pump to fill the aquarium back to the preset level. This technology minimizes human error and provides peace of mind, especially for busy aquarists or those who travel frequently, ensuring that your fish tank environment remains consistently stable. -
Question:
Can I use the Aquarium ATO with a RO/DI water system?
Answer: Yes, the Aquarium ATO can be used in conjunction with a reverse osmosis/deionization (RO/DI) water system. This combination is ideal for aquarists, as RO/DI water is free from contaminants, which helps maintain high water quality in both freshwater and saltwater aquariums. By using an ATO system with RO/DI water, you can ensure that your tank consistently receives clean, purified water, enhancing overall fish and plant health. -
Question:
Is the Aquarium ATO compatible with any fish tank size?
Answer: The Aquarium ATO is generally compatible with most fish tank sizes. It is particularly effective for medium to large aquariums where evaporation rates can be more significant. Smaller tanks can also benefit from an ATO system, but care must be taken to ensure that the reservoir can accommodate replenishment needs. This versatility makes it a valuable tool for both novice and experienced aquarists. -
Question:
What maintenance do I need to perform on the ATO system?
Answer: Maintenance for the ATO system typically involves regularly checking the water reservoir, ensuring sensors are clean and functioning properly, and periodically testing the pump. Keeping the reservoir clean prevents contaminants from entering your aquarium, while functional sensors ensure reliable operation. Regular checks can help you identify any potential issues early, allowing for timely adjustments and ensuring the system operates smoothly. -
Question:
How much water does the Aquarium ATO system add to the tank?
Answer: The amount of water added by the Aquarium ATO system depends on evaporation rates and the settings you choose for your specific aquarium. Typically, it can replace the water lost due to evaporation in small increments, which prevents sudden changes in water levels. For example, if your aquarium evaporates roughly half a gallon daily, the ATO will compensate for that loss gradually, maintaining a stable environment for your fish and plants. -
Question:
Where can I buy the Aquarium ATO in Rwanda?
Answer: You can buy the Aquarium ATO, Auto Top Off system from Ubuy in Rwanda. Ubuy offers a wide selection of aquarium products, including this automatic top-off system, ensuring you have access to quality options for maintaining your aquarium. Their platform provides a convenient way to order the product and have it delivered directly to your location, making it easier to enhance your aquarium experience.
MostAqua Water Pumps ATO100 Editorial Review
Aquarium ATO, Auto Top Off for Freshwater Saltwater Aquarium, Fish Tank Automatic Top Off System (ATO 100) is designed to make aquarium maintenance simple by automatically regulating water levels. Users appreciate the included components, such as the water pump and tubing, which simplify setup and operation. While many found the device reliable for maintaining salinity, a few reviewers reported issues with unexpected flooding or malfunctioning sensors. Despite some minor inconveniences, such as the slightly difficult placement of the sensor, many customers endorse it for its efficiency and effectiveness in preventing frequent manual refills.
Customer Reviews & Ratings
146 customers ratings
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5 Star
57%
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4 Star
9%
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3 Star
12%
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2 Star
6%
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1 Star
16%
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Pros
- Easy installation with included pump and tubing
- Helps maintain stable salinity levels
- Suitable for both freshwater and saltwater aquariums
- Lightweight design makes it easy to handle
- Great for reducing manual water refills
Cons
- The blue LED light can be distracting at night.
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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RWF 67591
Order now and get it around Wednesday, September 09
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 5 items left in stock.
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Features & Benefits
- Automatically maintains water level for a stable aquatic environment.
- Compact design with upgraded, safer optical sensor.
- Micro whisper pump delivers powerful performance (3m head, 70 GPH).
- Features an anti-overfill function to prevent flooding.
- Patented tube holder design secures refill and air tubes.
- Perfect for hassle-free aquarium maintenance, even when you're away.
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