Instruction for use - Dissolve the content of the pkt in 1 litre of water and pour the solution into the machine water tank.
Coffee machine: switch on the pump until complete exhaustion of the solution. Rinse the water tank carefully, fill it with clear water and switch on the pump until complete exhaustion of the water.
Boiler/heater: switch on the heater. Once warmed, switch off, discard the solution and rinse carefully.