Neptune Systems ATK V2Neptune Systems

$280

ATO

Neptune Systems ATK V2

by Neptune Systems

Requires a Neptune Apex base unit + FMM module. Neptune ATK v2 (Apex Top-Off Kit) — dual optical sensors natively integrated into the Neptune Apex ecosystem for software-monitored, fully automated top-off.

premiumRequires Neptune Apex base unitOptical + float backup

Sensor

Optical + float backup

from$280

Compatibility with your build

Start a build to see compatibility for this product

Specifications

The full sheet

Sensor

Type: Optical + float backup

What we check

Rules this part takes part in

ATO reservoir

Checks the reservoir covers roughly 14 days of evaporation for your tank size.

See methodology

Works well with

Compatible tanks

20 NUVO Fusion AIO Long

Alternatives

Others in this category

ATO with Controller QST2.0

Triple Optical ATO Kit

Frequently asked

What are the key specs of the Neptune Systems ATK V2?

Sensor: Optical + float backup.

How much does the Neptune Systems ATK V2 cost?

The Neptune Systems ATK V2 starts around $280, though prices vary by retailer — see current offers on this page.

Which tanks is the Neptune Systems ATK V2 compatible with?

Based on ReefPicker's compatibility checks, the Neptune Systems ATK V2 fits tanks including Fluval Sea Evo 5, Innovative Marine 20 NUVO Fusion AIO Long, Eshopps DeskMate Classic. Add it to a build on ReefPicker to check it against your specific tank.