Top Off (TP)

The Sea Side Aquatics Auto Top Off (ATO) System provides reliable, automated water level control for aquariums and sumps. Designed for simplicity, stability, and durability, this ATO prevents salinity swings, keeps equipment chambers consistent, and reduces daily maintenance.

Both models feature a strong magnetic bracket for securely mounting the water-level sensor(s). A single dosing pump is included with each system for smooth, controlled water delivery from your reservoir.

Choose from two models depending on your level of redundancy and safety preference

TP-01 – Single Sensor ATO

• Includes 1 water-level sensor

• Strong magnet bracket for secure positioning

• Ideal for smaller setups or low-risk environments

• Includes single dosing pump

TP-02 – Dual Sensor ATO

• Includes 2 water-level sensors for added safety redundancy

  • Primary sensor controls fill level

  • Secondary sensor serves as an emergency fail-safe

• Strong magnet bracket

• Includes single dosing pump

• Recommended for larger or high-value aquariums