These cleaning tablets are for Jura super automatic coffee machines only, not drip coffee makers. Regular use of Jura 3 phase cleaning tablets will keep your Jura automatic espresso coffee machine operating properly and producing great coffee for years.  Phase 1 - Cleans the machine. Disolves coffee oil and particles where the coffee is brewed. Phase 2 - Maintains the machine. Seals and protects the coffee brewing area. Phase 3 - Protects the machine. Uses complex agents to prevent mineral deposits.