Neptune Systems ATK Auto Top-Up Kit V2 – Safe & Reliable ATO System

The Neptune Systems ATK Auto Top-Up Kit V2 is an essential and reliable solution for keeping your aquarium water levels stable by automatically replacing water lost to evaporation. The V2 version features an improved pump and revised optical sensors for enhanced performance and accuracy. This standalone kit is easy to install, plug-and-play ready, and designed to eliminate the hassle of manual top-offs, providing a safe and convenient experience for aquarium owners.

What sets the ATK apart from other ATO devices is its three layers of redundant water-level control and protection. Two optical sensors—one for regular water level monitoring and one for emergency backup—ensure that the system can detect any issues before they become catastrophic. The system also includes IQ-Fill intelligence, which learns your tank’s top-off needs over time, optimizing water usage. If the electronics fail, a mechanical float valve acts as a fail-safe to prevent water overrun. The ATK operates independently, but when connected to an Apex system, advanced features like remote failure alerts via text, email, or iOS notifications can be unlocked. The kit includes a powerful 24VDC PMUP pump that can push water up to 14 feet vertically and provides an audible failure alarm for peace of mind.

Key Features:

• Plug-and-play installation with no mounts or bare wires
• Three layers of safety protection, including dual optical sensors and a mechanical float valve
• IQ-Fill intelligence learns your top-off patterns and adjusts water usage accordingly
• Does not rely on prone-to-failure mechanical float switches or temperature sensors
• Works independently (no Apex needed), with advanced features unlocked when connected to Apex
• Includes PMUP 24VDC pump capable of pumping water vertically up to 14 feet
• Audible failure alarm for immediate attention
• Optional accessories for additional features and customization

The Neptune Systems ATK Auto Top-Up Kit V2 is the ultimate solution for maintaining consistent water levels in your aquarium with minimal effort. Featuring multiple layers of protection and an intelligent pump system, the ATK ensures that your tank stays topped off without the risk of overfilling or flooding. Ideal for aquarium hobbyists looking for an easy-to-use, reliable ATO system with the option for advanced integration into an Apex system.