Any time the pump looses power and reboots when it gets power back does it have to refill all the way to top line for measurement? Or is it a one time

Yes it has to refill to the top sensor so it can recycle, also if water level goes way below sensor when it reboots it will only pump 3 times then red light comes back on so unplug and plug back in so it can pump remainder water to reach level you might have to do this several times( i hope not) usually once is sufficient, hope this helps.

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Fzone Aquarium ATO Auto Top Off Refilling System with Dual Optical Sensor for Both Reef and Fresh Tank （Green

Fzone Aquarium ATO Auto Top Off Refilling System with Dual Optical Sensor for Both Reef and Fresh Tank （Green

Product ID: 432283112

Details

Brand
FZONE
Color
Green
Item Weight
63 Grams
Manufacturer
FZONE
Material
Plastic Metal
Maximum Flow Rate
1.23 Gallons

💧Dual <1mm precision optical sensors

📏0.7 inch nano size

🚰74 GPH pump, 2m lift height

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11991 kr

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Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
FZONE
Color
Green
Item Weight
63 Grams

Description

💧 Keep your reef flawless with precision that never sleeps!

SMART FILLING TECH - EFTT & AFT algorithms tailor refill timing & prevent pump overuse
COMPACT NANO DESIGN - Sleek 0.7-inch profile fits rimmed & rimless tanks effortlessly
NEXT GEN SAFETY ALERTS - QST 2.0 instantly stops overfilling & dry-run pump damage
ROBUST READY OUT OF THE BOX - Includes powerful magnets, check valve, and 74 GPH pump for up to 74 gallons
PRECISION DUAL OPTICAL SENSORS - Real-time water level monitoring with <0.6 cm fluctuation control

The Fzone Aquarium ATO Auto Top Off System is a compact, high-tech water refilling solution designed for both reef and freshwater tanks. Featuring dual <1mm optical sensors, advanced filling algorithms (EFTT, AFT), and upgraded QST 2.0 safety tech, it ensures ultra-precise water level control with less than 0.6 cm fluctuation. Its 74 GPH pump lifts water up to 2 meters, suitable for large tanks, while strong magnets and a check valve guarantee secure, leak-free installation. Ideal for professionals seeking reliable, hands-off aquarium maintenance with real-time alerts and round-the-clock customer support.

Specifications

ASIN	B09YVP3L22
Best Sellers Rank	#24,777 in Pet Supplies ( See Top 100 in Pet Supplies ) #96 in Aquarium Water Pumps
Brand	FZONE
Brand Name	FZONE
Color	Green
Customer Reviews	3.9 out of 5 stars 948 Reviews
Flow Rate	1.23 Gallons Per Minute
Included Components	Water Pump, Dual Sensing Optical Probe, Check Valve, Hose Holder, Powerful Magnet, Upgraded QST Technology, Intelligent ETFT Algorithm
Item Dimensions L x W x H	13.78"L x 7.87"W x 2.76"H
Item Type Name	water refill
Item Weight	63 Grams
Manufacturer	FZONE
Manufacturer Part Number	FZ-360P-DE
Manufacturer Warranty Description	1
Material	Plastic, Metal
Material Type	Plastic, Metal
Maximum Lifting Height	2 Meters
Model Number	FZ-360P
Power Source	Electrical Cable
Product Dimensions	13.78"L x 7.87"W x 2.76"H
Product Style	Classic
Specific Uses For Product	Indoor
Style	Classic
UPC	764595878146
Unit Count	1.0 Count

Reviews

C**G

4.03.2026

K**I

25.03.2026

C**N

27.11.2023

J**Y

22.04.2026

E**O

9.09.2025

H**Y

7.02.2026

N**H

14.11.2025

C**.

17.04.2026

N**A

4.01.2026

R**D

23.11.2025

た**じ

4.12.2023

L**A

13.06.2023

S**N

21.02.2025

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