Protected consuming water is just not all the time prime of thoughts after we are out for a day of fishing or searching. It’s straightforward to hold sufficient water to maintain you hydrated for such an outing.

Water, nevertheless, weighs one kilogram a litre, so carrying sufficient to help a multi-day wilderness journey is just not all the time a sensible choice. Luckily, Ontario’s wilderness provides no scarcity of recent water to entry. However is it protected to drink?

The prudent reply is to all the time assume no. Even water with pristine look can harbour micro organism, viruses, or parasites that possess the flexibility to wreck an outing, and presumably have long-term and probably catastrophic results in your well being.

All this to say, you are able to do with out numerous issues on a wilderness journey, however a technique of guaranteeing protected consuming, cooking, and enamel brushing water is just not considered one of them. Luckily, we’ve some choices to make sure your consuming water is protected.


Boiling is the surest and maybe oldest option to kill dangerous water-borne micro organism, viruses, and parasites, in response to the US Heart for Illness Management. The CDC advises bringing water to a rolling boil and maintaining it there for at the very least one minute (and three minutes at altitudes over one mile.)


  • No particular tools or chemical substances are wanted


  • Requires heavy use of range gas or requires taking the time to construct a hearth
  • Doesn’t take away particulates
  • Boiling is just not a viable choice if fires are prohibited

Gravity filters

These ceramic filter models, have screw-on water bladders hooked up. You fill the bladder with untreated water, then connect it to the filter. The unit is then hung with the bag above the filter so gravity feeds the water by the filter.


  • Straightforward to make use of
  • Some connect to different containers or bottles
  • Pretty straightforward to flush out
  • Handy to make use of in camp
  • Light-weight and packable
  • No bodily effort required


  • Canʼt let bladder freeze in winter
  • Typically processes small quantities

Straw filters

These models are very talked-about. They’re basically outsized straws with filters.


  • Cheap
  • Light-weight, compact and straightforward to pack
  • A sensible choice for an emergency package or searching backpack


  • Shorter filter lifespan than different kinds
  • For particular person use
  • Suction required to attract water by filter may be exhausting on the jaw after some time
  • Have to be stored from freezing in winter after use

Pump filters

These models have hoses which are positioned into the water supply, a hand or electrical pump that attracts the water by a ceramic or pleated filter and an outlet hose in order that water may be directed to the container which is able to obtain the clear water.


  • Will connect to different containers corresponding to Nalgene bottles
  • Filters a lot of water rapidly


  • Costly
  • Much less compact. Heavier
  • Requires common post-trip upkeep
  • Extra labour intensive
  • Shifting components


Water purification tablets usually make the most of chlorine and iodine as their energetic components and, whereas all make water safer, manufacturers range in effectiveness.


  • Cheap
  • Straightforward to make use of
  • No heating or bodily effort required
  • Light-weight, and really compact


  • Lengthy combine and wait occasions. Some take nearly an hour
  • Doesn’t take away particulates
  • The style may be a problem for some
  • Could be confused with remedy

UV lights

This can be a comparatively new know-how for outside use that makes use of shortwave ultraviolet gentle to disinfect your water. Immerse the lamp within the untreated water and it disrupts the DNA of micro organism, viruses and protozoa, rendering them innocent.



  • Costly
  • Doesn’t take away particulates
  • Requires a cost/batteries

The supply

It is very important have a way of the water supply’s high quality. As an example, in case you are coping with a water supply the place chemical or sewage run off takes place, discover one other supply. Keep away from stagnant water. When drawing from flowing water, have a fast take a look at what’s upstream. I as soon as noticed a moose carcass floating in a river that was fortunately downstream. Lastly, when buying any water filtration system, do you analysis. There are numerous choices and high quality will range.

Initially printed within the August 2022 difficulty of Ontario OUT of DOORS

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