The Reef Factory KH Keeper Plus Maintenance Kit ensures the continuous peak performance of your KH Keeper Plus system. This comprehensive kit includes replacement dosing pump tubes for Pump A (waste), Pump B (water sample), and Pump C (reagent), ensuring the uninterrupted operation of your dosing pumps. Additionally, the kit includes a new water filter for the water sample line, helping to maintain the integrity of your water samples for accurate testing. With this maintenance kit, you can easily perform essential upkeep tasks to keep your KH Keeper Plus system running smoothly.