Place strawberries in a large mixing bowl.
Use a potato masher to crush the strawberries.
Measure out 2 1/2 Cups strawberries and place in a separate bowl and add pineapple to strawberries.
Add in sugar slowly and combined completely.
Place the cold water in a saucepan over medium heat and add pectic and bring to boil for 1 minute.
Remove from heat.
Pour the water mixture into with the fruit.
Stir well to combine.
Continue stirring 4 minutes.
Pour into the pt freezer containers and cover.
Let stand at room temperature for 24 hours.
Freeze after 24 hours.
Jam will stay good in the freezer for up to 6 months.
To use, remove from freezer and allow to come to room temperature, about 1 hour.
Cover and refrigerate for up to 3 weeks.