Question: do tide pens work on old stains?
Answer: Q: Does Tide to Go work on all stains? ... Stains that Tide to Go works best on include ketchup, BBQ sauce, grape juice, tomato juice, coffee, soda, chocolate syrup, tea, and wine. Tide to Go does not perform as well on non-food and drink stains, including ink, grease, blood, and grass stains.