Duetto 2 Dual-Sensor ATO Aquarium Auto-Top-Off System - XP Aqua Chalice / Leptoseris Quick Release Unions - Remove

Quick Release Unions - Remove the entire body without any dismantling your plumbing

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Saltwater Sterilization - 355 gallons

WYSIWYG Nuclear Owl Zoanthid Frag

The Nero 7 pushes water in a wide pattern that can move foods

Duetto 2 Dual-Sensor ATO Aquarium Auto-Top-Off System - XP Aqua Chalice / Leptoseris Quick Release Unions - RemoveWith huge features jammed in a tiny package, the Duetto2 is the perfect ATO for your aquarium. XPAquas proprietary dual optical sensor packs two precise level sensors in one incredibly small package. In addition to keeping your water level constant, the two sensors also work in concert with the intelligent QST programming to help prevent overfilling. All the installation parts are included and a magnetic coupling allows you to easily mount or adjust