Everything you need to build a great DIY auto top-off system for your aquarium (and works for other water top-up applications too).  

• Use to replace evaporated water from your sump or tank
• No more lugging buckets or spilling water
• Helps maintain stable salinity/specific gravity in your tank
• Assembly requires only basic tools and no soldering
• Add a pump and tubing for a complete automatic top-off setup
• Place pump in a reservoir (use the container of your choice)
• Also see aquahub's Deluxe kit

Warning: this is a project involving 120V electricity.  Do not attempt this project If you are not comfortable working with basic electrical wiring.  We cannot be held liable for injuries.  Please read the manufactures Terms & Conditions.

Top-it-Off Kit Premium includes:

You save 26% off the cost of the individual components

Includes printed assembly instructions

See aquahub's Top-it-Off Kit Comparison Chart to compare our two kit options.