It could take two weeks to completely kill a plant. Treated plants turn completely brown and die in one to two weeks after Roundup application. Cool or cloudy weather on the day of application may slow the development of visible effects.
ZantacÂ® can be taken 30 to 60 minutes before eating food or drinking beverages that cause heartburn to prevent symptoms, or it can be taken when heartburn symptoms strike, providing relief in as little as 30 minutes and lasting up to 12 hours.2.
Maximum Strength Zantac 150 Â® is clinically proven to relieve heartburn in as little as 30 minutes. No pill relieves heartburn faster!  *. 1  Prevents and relieves heartburn associated with acid indigestion. 2  One tablet relieves heartburn in as little as 30 minutes and lasts up to 12 hours**.