Chlorine vs. Iodine – which is the best water purification tablets?

If you are having a plan for backpacking, hiking, camping or you are going to move on the remote area where fresh drinking water is not available, then water purification tables serve the most efficient solution for this situation.

There exist two main types of water purification tablets: Chlorine treatment and Iodine treatment. Each type has its own pros and cons. It is also a big debate between the two chemicals about what is better. If you are looking for the best water purification tablets UK, I suppose that you should get this matter clearly.

#1 Iodine

Iodine is a chemical compound that especially effective in the eradication of microorganisms such as bacteria, viruses, and parasites. However, Iodine seem to take more time to purify water than Chlorine in the cold water. The temperature of the water that is purified has a very important effect on the effectiveness of iodine as a purifier.

Iodine can be able to absorb the naturally debris and diet that are exist in water. That means the water quality will affect the amount of Iodine needed to purify it. Cloudy water generally requires more iodine than clear water.

The drawback of Iodine is that you should only use it for short-term purposes. Using Iodine for long time can cause thyroid problems and damage your health. There is one more minus point of Iodine is that many people do not like the taste iodine leaves behind, this is why they are more prefer to use Chlorine.

#2 Chlorine

Chlorine make the debris and dirt in the water settle down to the bottom of the water container. Chlorine water tablets work by destroying the microorganism from the inside. Chlorine is a highly effective way to against common viruses and bacteria.

For common bacteria, it will take about 30 minutes to purify the water. For some complicate bacteria such as Giardia and similar pathogens, then you should let the water purification tabs stand for another 15 minutes.

On the downside, chlorine may cause internal organ damage, illness, and even death for human if used overdose. Chlorinated water also has a bleach-like smell.

#3 So which is better?

These two chemicals become common use as they are lightweight, easy to use, and low cost. But they also affect and severely damage our health if used incorrect dosage and unsafely. This is why many people choose the other solution – Chlorine dioxide. It is seen by some as an alternative and healthier than iodine and chlorine. So, if you can’t decide between iodine and chlorine, you can consider Chlorine dioxide. The only drawback is that it will take 4 hours for the purification process.