Neptune Systems 212317 | ATK V2 Auto Top Off Kit | Aquarium ATO System

Keep your tank perfectly topped off with the Neptune Systems ATK V2 Auto Top Off Kit! This smart and reliable ATO system maintains stable water levels automatically, preventing salinity swings and equipment damage. Designed for both standalone use or Apex integration, it’s the ultimate safeguard for your reef or freshwater aquarium. 🌊🐠

• Automatic top-off system that prevents salinity and level fluctuations 🧊
• Plug-and-play setup with included 24V DC PMUP pump ⚙️
• Dual optical sensors with no moving parts ensure precision 💧
• IQ-Fill water run-time intelligence prevents overfilling 🧠
• Works with or without an Apex controller system 🪸
• Includes mounting brackets, sensors, and tubing for quick install 🪼

More Information

Discover more Automation Gear to keep your aquarium stable and stress-free. 🐟

Frequently Asked Questions 🐚

• Do I need an Apex controller? No, the ATK V2 operates fully on its own but can integrate with Apex for advanced control.
• Can it handle large tanks? Yes, the included PMUP pump is powerful enough for most medium to large aquarium setups.
• How does it prevent overfilling? The IQ-Fill system and dual optical sensors automatically detect water levels and stop refilling when needed.
• Is installation difficult? Not at all — the ATK V2 comes with everything needed for a quick, clean setup in minutes.