Q. What to do for מעשרות For Israeli Pomegranate In Toronto which was bought in Toronto?
A. Due to the difficulty and complication in correctly separating Teruma and Maaser from Israeli fruits, our Rabbonim Shlit’a maintain that it is better not to use them unless they come already certified with a reliable Hechsher.
See similar question 453 regarding fruits for Tu Bishvat.
Horav Shlomo Miller’s Shlit”a opinion is similar.
Rabbi A. Bartfeld as revised by, Horav Dovid Pam, Horav Aharon Miller, Horav Chanoch Ehrentreu and Horav Kalman Ochs Shlit'a