A 32-year-old man and a 31-year-old girl had been arrested on Monday by Australian Federal Police (AFP) and Australian Border Power (ABF) officers.
The arrests are a part of an AFP investigation launched on October 6 after ABF officers in Perth intercepted the package deal, which was despatched from the US.
Authorities lower open the blue plastic tub to entry the illicit medication.
They mentioned an x-ray confirmed inconsistencies and two drug sniffer canines additionally flagged the package deal.
Testing on the thick black paste returned a optimistic consequence for methamphetamine.
AFP officers modified out the intercepted container for one with out illicit medication.
Police mentioned the girl allegedly collected the substituted package deal from a short-stay house in Scarborough the place it had been delivered.
She then met with the person earlier than they took the package deal to a house in Willetton.
The pair had been arrested as they tried to drive away from the home.
Police searched the house and allegedly discovered black paste from the container in a pile on the bed room ground.
AFP Appearing Sergeant Mat Glare mentioned investigations proceed into the drug importation, with hopes to seek out others concerned.
“Methamphetamine is a extremely addictive drug, which may straight result in violence and psychological well being points,” Appearing Sergeant Glare mentioned.
“The demand for it ends in property crime and different offences by addicts attempting to fund their subsequent hit.”
If bought, the 18 kilograms of methamphetamine may have been bought at road stage for about $18 million.