It’s important to note what purification tablets do and don’t do. They kill bacteria, some viruses and many parasites. They don’t remove chemical pollution, or biological toxins.
You should use them if you want to drink from open water like steams and ponds, but it won’t, say, remove factory effluent. It will prevent getting diseases from human or animal waste, which is the main risk.
But it won’t make the water taste like it didn’t come from a pond.
It’s important to note what purification tablets do and don’t do. They kill bacteria, some viruses and many parasites. They don’t remove chemical pollution, or biological toxins.
You should use them if you want to drink from open water like steams and ponds, but it won’t, say, remove factory effluent. It will prevent getting diseases from human or animal waste, which is the main risk.
But it won’t make the water taste like it didn’t come from a pond.
They do make water filters that will pull larger stuff out.
I understand that the American Sawyer and the Swiss LifeStraw make popular small, portable devices.
https://www.sawyer.com/
https://lifestraw.com/