Home remedies for whitening teeth?

I've heard about this one remedy if you put baking soda in a strawberry and rub it on you teeth-- did I get it right? And also please list some HOME remedies for whitening teeth. Thanks!
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OK, forget the strawberries! The acid in the strawberries can actually damage the enamel. Do it Yourself at Home– Many online web sites and over the counter bleaching agents are now widely available. The major problem with the do it yourself kits - is frankly - you. Many of them require you to make your own custom trays by dipping plastic molds in hot water until they become malleable and require you to spend 45 minutes to an hour wearing the awkward trays for several sessions. It takes a least a week to see a noticeable difference, and most people will need 2-3 weeks. However, the active ingredients are exactly the same and you CAN get professional quality dental whitening treatment for an absolute fraction of the cost. You can find tooth whitening kits, including the trays, and 40 applications of 35% Carabide Peroxide for $30, which is pretty much an unbeatable deal. The biggest problem with the do it yourself kits is the trays. Your dentist will give you a professional custom fit set of trays that do not expose the gum tissue. This is difficult to do with the do it yourself kits, although you can certainly painstakingly cut the molds to shape the exact profile of each tooth using scissors. Make sure the product that you buy has thick gel which stays in place. You should also look out for additives and fillers added to the gel which may cause additional sensitivity. A good middle ground would be to have your dentist make you a set of custom mouth trays. You can then often just buy the bleaching gel direct and save money that way. Strips – Whiten teeth without a liquid component at an affordable price and minimal tooth sensitivity. The problem with the strips is that unless you have perfectly aligned teeth you won't get all of your teeth bleached, and they can leave nasty gaps where the teeth meet. They aren't the cheapest either. Brush-on whitening: formula or toothpaste – Many toothpastes advertise themselves as "tooth whitening". Some of the these products may help, but in general they don't make much of a visible difference. Home Treatments - some people use baking soda and hydrogen peroxide mixed together with salt. The hydrogen peroxide bleaches and the baking soda is an abrasive cleaner that removes stains. This home remedy does work, but will be abrasive on the enamel. It also tastes disgusting.
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