To check the compatibility of pesticides
with the device materials:
Mix pesticides according to manufac-
turer's instructions.
While stirring, follow the manufacturer’s
instructions for the pesticide.
Immerse vulnerable parts of the device
(e.g. hoses) in the pesticide for several
hours.
If the following indications are apparent, do
not use the pesticide:
Pesticide tends to solidify or clump.
Hoses become particularly soft.
Seals or membrane sources.