Traditional water treatment methods? Note the traditional.

Traditional water treatment methods: 1. Boil, water purification drugs and filters Boil This is the most practical and effective means. The downside is that it wastes fuel and is time consuming. 2. 2. Use of water purification tablets is a chemical method of purification, mostly using chlorine and iodine. The advantages of using water purification tablets are that they are cheap, convenient and lightweight. It is time-consuming, and it usually takes about 20 minutes after adding water purification tablets to drink them. The disadvantages are first, there is an odor and color. Secondly, there is one major virus that cannot be removed, cryptosporidium, which is probably the most common water parasite. Thirdly, it can cause allergies and chemical reactions with certain foods and utensils. It is important to note that you must wait at least 20 minutes before using the filter, and that you should not use it continuously for more than a week. 3. There are two categories of purification filters, filters and filtration purifiers. The main difference is that filters remove bacteria and parasites by filtration. While filter purifiers remove bacteria and parasites in addition to viruses. The advantages of using a filter purifier are that the water is instantly available, with little to no wait, and it is also almost always the safest way to purify water. The disadvantages are that they are expensive, rarely less than $366, and the cost of the cartridges is high later on. It is large and heavy, almost always more than 1 lbs. It also requires frequent maintenance when in use and is prone to clogging.