Homemade Cleaner

Principle: Try to make the cleaning products on your own. There are many places you can think of: brass and copper cleaner, window cleaner, drain cleaner, rug cleaner, oven cleaner,  or furniture polish. It is also necessary to consider the safety and environment impact by using those cleaning products.  You might start with the following thought: vinegar is weak acid; thus, it might be used for metal cleaner by adding salt...