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Coffee Filters Don't Hold Water

(Without Support)

By John D. McCann


I noticed that various companies included "cone" coffee filters in their survival kits for pre-filtering water. What they don't tell you is that a "cone" coffee filter will not hold water unless it is supported. The seams are only pressed together in a corrugated fashion, and those grooves and ridges will only hold together if it is supported. That is why they work in a coffee pot, as they are supported by the filter holder.

Denise and I experimented with a multitude of cone coffee filters with the corrugated seams and none of them would hold water without being supported. Here are some pictures which show that as soon as you add water, the corrugated seam fails and all the water runs out, including any debris, right into your container.

Denise with a Filter

Denise is our tester trying the cone coffee filters in a stream.

Pouring Water in White Filter

Starting to pour water into a white cone coffee filter.

Pouring Water in White Filter

Water starts to runs through filter and corrugated seam starts to fail.

Pouring Water in White Filter

Seam of the white filter fails within moments.

Pouring Water in White Filter

Starting to pour water into a brown cone coffee filter.

Pouring Water in White Filter

Again, water starts to runs through filter and corrugated seam starts to fail.

Pouring Water in White Filter

Seam of the brown filter fails within moments.

As you can see, a cone coffee filter, without support, just doesn't hold water. This is another reason why you should conduct what we call "Backyard Survival." If you are going to carry something in your survival kit, then play with it and test it in your backyard. If it fails there, you can always go in the house. If it fails in a survival situation, your further in trouble!

This was the reason why we experimented with various ways to support the filter during use and finally came up with a solution that is effective, yet folds up very flat. We call it the Pre-Filter Support Sheath. For more information on the Pre-Filter Support Sheath, CLICK HERE.

We hope you enjoyed this article and will help support our efforts by checking out our products. As always, Be Prepared To Survive!

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