pesach products

Question

Are Bloom's Rice Cake Thins kosher for passover? Ingredients are wholegrain rice, sea salt Is the Gluten free pantry Old Fashion Cake and Cookie good for pesach? Ingredients are: Rice flour, potato starch, gluten free baking powder(sodium acid pyrophosthate, sodium bicarbonate, mono calcium phosphate, baking soda, xantham gum and salt. thanks