Please watch the YouTube video below before use. Always wear long sleeves, heavy gloves and proper eye ware. 

How to use:

- make sure the appliance is not clogged!

- wear suitable protective equipment: gloves and mask! Oxalic acid vapour still escapes during the cleaning! Caution, risk of burns!

- Switch off the appliance after use, but leave the battery connected.

- wait until the appliance cools down to about 390°F.

- remove the oxalic acid dispenser.

- fill the silicone cap half full with distilled water, then turn the unit upside down and press the silicone cap firmly onto the dispenser tube.

- keep the silicone cap firmly pressed down and turn the appliance upside down.

- repeat the above.

 https://www.youtube.com/watch?v=UJrZMZrsT2Y&t=25s

3 Pack.