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JBJ Nano ATOJBJ
ATO
ATO

JBJ Nano ATO

by JBJ

JBJ Nano ATO — micro dual-optical ATO for pico and nano tanks; compact pump and controller for simple, hands-off top-off in small AIO or nano sump setups.

entryDual optical
Sensor
Dual optical
Compatibility with your build
Start a build to see compatibility for this product
Specifications

The full sheet

Sensor
Type
Dual optical
What we check

Rules this part takes part in

R5
ATO reservoir
Checks the reservoir covers roughly 14 days of evaporation for your tank size.
See methodology
Buy from

Where to get it

Amazon (US)
$109
Free with Prime
$109 total
Estimated price — verify at checkout
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Works well with

Compatible tanks

Alternatives

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Frequently asked

What are the key specs of the JBJ Nano ATO?

Sensor: Dual optical.

How much does the JBJ Nano ATO cost?

The JBJ Nano ATO costs around $109. Retailers price it differently, and ReefPicker lists the offers it has for your region on the JBJ Nano ATO product page.

Which tanks is the JBJ Nano ATO compatible with?

Based on ReefPicker's compatibility checks, the JBJ Nano ATO fits tanks including Fluval Sea Evo 5, Ultum Nature Systems 45SA Dual, Ultum Nature Systems 30A Dual. Add it to a build on ReefPicker to check it against your specific tank.