Cover the bottom with baking soda, and then add enough water to cover. Let stand for approximately three hours and scrape with a plastic spatula.

Fill the detergent dispenser in the dishwasher with powdered orange or lemon-drink mix, and run it through a normal wash cycle. This will cut through all the built-up grease and grunge in hidden places.

Removing stains could be a tough and frustrating job. Before you work on a stain, you need to know the stain type and fabric type. Read these simple stain removal rules to know more.
1. Remove stains as soon as possible. Removing a fresh stain is much easier than an old one.
2. Instructions are written for a reason. Make sure you follow the instructions on the stain removal products you use. Also, follow the instructions on the washing labels on the clothes. Instructions help you to avoid ruining the clothes.
3. Remember to test any stain remover on a hidden place first. Make sure you will not have color fastness problems before using the product on larger areas.
4. When working on a stain, apply the stain treatment on the back of the garment. Put a clean white cloth under the stained part. Change the place of the clean cloth under the stain while garment soaks up the removal product.
5. Bleaching usually works on white fabrics. However, bleaching one tiny stain on color fabrics can result in an uneven color patch. Check the washing label before you consider using bleach.
6. Everything takes time, and stain removal is no exception. It is required sometimes to repeat the treatment if stain persists. Just make sure to check if the stain is still there or not before the garment dries out. Drying only helps to fix the stains.
How to Get Rid of Stains?
There are two main types of stains: water-based stains and oil-based ones. For example, tea or coffee stains are water-based. Most food stains are also considered as water-based. Oil-based stains include cooking oil, butter and grease stains. Other stains such as paint and lipstick are classified as solvent-based. Make sure you identify the kind of stain you have, and use the correct stain removal product for it.
Oil-Based Stains
The key to remove grease and oil stains is to wash clothes in the hottest water that is safe for the fabric. Gently rub liquid stain remover into the stain and let stand for 1 to 3 minutes. A citrus solvent based liquid stain remover, helps break down tough stains, leaving the clothes smelling fresh. Wash the garment in hot water as indicated on the garment tag. If stain persists, re-apply and re-wash.
Water-Based Stains
Remove the stain excess with a clean cloth. Get a natural solvent to dissolve water-based stains it works well even in cold water. This kind of product will not cause fabrics to shrink or fade. Apply the stain remover spray to the soiled part, and allow it to sit for 1 to 3 minutes. If the stain is removed, wash as recommended. For tough stains, repeat the treatment and wash before drying.
Stain Removal from Non-Washable Clothing
To remove stains from non-washable clothing, sponge to remove any excess. Remove the stain by using a product made especially for dry cleanable clothes, while placing a clean cloth under the stained area. When cleaning the stain, work from outside to the center, to avoid the clean part from leaving a mark.

Rock salt, sodium chloride, potassium chloride are very harmful to plants and vegetation if you use too much. Using calcium chloride, while more expensive, is less damaging and you don’t need as much.