D-D H2Ocean Compact ATOD-D

$102

ATO

D-D H2Ocean Compact ATO

by D-D

D-D H2Ocean Compact ATO — twin optical-sensor ATO with integrated DC pump; a compact no-reservoir top-off solution sized for nano and small reef tanks.

midDual optical

Sensor

Dual optical

from$102

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

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 D-D H2Ocean Compact ATO?

Sensor: Dual optical.

How much does the D-D H2Ocean Compact ATO cost?

The D-D H2Ocean Compact ATO starts around $102, though prices vary by retailer — see current offers on this page.

Which tanks is the D-D H2Ocean Compact ATO compatible with?

Based on ReefPicker's compatibility checks, the D-D H2Ocean Compact ATO 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.