A cleaning of the electrode should be performed regularly.
Instructions on how to use it you can find on the bottle.
Wallenroder Straße 7-9
Berlin
Berlin, Germany, 13435
info@growin.de
https://www.growin.de
Street name: Wallenroder Straße 7-9
Postal code, City: 13435 , Berlin
Country: Germany
State: Berlin
E-Mail: info@growin.de
homepage: https://www.growin.de