The haze is probably from the grouting process. You can buy a grout haze remover solution from most tile stores if you'd rather not use the vinegar. Remember that vinegar is acidic so it will need to be rinsed well and can cause dulling of some tiles if it is left on too long.
Protonix Linked to Hip Fractures. Protonix (generic: pantoprazole) is just one of a few antacid medications that are called proton pump inhibitors. Other common proton pump inhibitor drugs include Aciphex, Nexium, Prevacid and Prilosec. Protonix is manufactured by Wyeth-Ayerst Laboratories and gained FDA approval in 2000.
Prilosec belongs to a family of drugs called proton pump inhibitors or PPIs. This type of drug is often used when antacids or H2 blockers fail. PPIs block the secretion of acid from the stomach. Prevacid and Nexium 24HR can be bought over the counter.