Easy one this week.
Leave from Seeker's Passage going into Salt Flats. Once in the Salt Flats go north. You will have to fight a few Devourers and Scarabs, as well as a few Hydras along the farm.
I recommend using a SoS solo build, the Storm Kin are all mesmers, and they can't hex spirits.
After you go north and clear out the Storm kin there proceed east for more groups. You will have to kill the Hydra boss to get past him for the last groups of Storm Kin. Once you start seeing all Scarabs and Devourers rezone back to town, the farm is over.
GL/HF,
Atty