
Now we will be looking at water and how to make it drinkable or Potable as it is known
We will be looking at water in the body, why we need it, what happens to us when we don´t have enough, how to find it, how to make it potable, commercial Filters/Purifiers, and improvised methods. This will be a long article so it will be in parts.
Our body is made of between 60% and 80% depending on various factors such as, Male or Female,
Age, climate, health, bodily exertion etc. so if you have for example 60% water this means that if you weigh 100kg Then 36 kilograms alone is water! Your brain is about one third water, no wonder one of the symptoms of dehydration is headaches!!
Water is needed and used by the body in several ways but, the most important being to cool the body, cleanse the liver and digest food. For this last reason we set food after water in list of priorities.
Because water may be limited we must also look at the amount and type of food the rules are quiet clear; foods which are high in Protein such as meat, eggs or fish requires large amounts of water to digest them. Carbohydrates like sugars and starch require a fraction in comparison. Also you should
Chew your food thoroughly because large portions un-chewed in the stomach needs more water to digest.
So if you are for example in a hot climate and you have less than 1 liter water a day you should not eat. With four liters a day you can eat carbohydrates like biscuits, sweets, sugars, etc.
If we ignore the information, we have then the body dehydrates and in the end we die.
The first symptoms between 1% and 5% loss of water are thirst, discomfort, Lethargy and sleeplessness your temperature can raise and you may feel nauseous, urine colour may change from pale yellow to orange. If no water is replaced then further symptoms occur between a 5% and 10% loss, headaches, dizziness, breathing can become difficult, your mouth and throat becomes very dry, fatigue sets in your limbs with a tingling sensation, the skin takes on a bluish tinge (cyanosis), speech becomes in distinct and walking becomes difficult.
At this stage the tongue swells up and there is an inability to swallow, the skin tingles and feels numb with twitching and begins shrivel up, the senses lessen, deafness and dimness of vision sets in as well as delirium before collapsing and dying.
A quick test apart from looking at the colour of urine is to pinch the skin and release; it should spring back to normal position straight away, so if it slowly folds back you need water!
Now we know the signs and symptoms of water loss we will now look at how we can conserve water already in our body.
Apart from food digestion, which we have looked at, we can safeguard several ways against water loss.
- Travel only when necessary or restrict to times when the sun is not so hot, likely
Early morning or late afternoon.
- Stay in the shade build a shelter or improvise a shade, if possible in a place that provides a breeze
- Wipe your face, back of neck and brow with a piece of cloth soaked in seawater, urine, after a shave or rub with crushed succulent plants. (try rubbing the inside surface of a piece of cut cucumber to see how effective it is!)
- Avoid smoking as much as possible as this causes dehydration.
- Do not over exert yourself as this may make you short of breath, heavy breathing causes water loss. Breathe through your nose as much as possible.
- Keep your clothes on as much as possible even though you may feel uncomfortable as they minimize the evaporation of sweat (even in a cold climate perspiration could be a problem).
Furthermore, there are fluids we should avoid which may seem obvious but in a survival situation where water is rare may be drunken out of panic.
- Seawater is extremely dangerous because it contains about 4% salt and takes roughly 2 liters of body fluid to get rid of 1 liter of seawater so you deplete your body of fluids and the thirst stays eventually driving you crazy before you die. Seawater must be treated before you can drink it.
- The same applies to urine which contains about 2% and body wastes which can be harmful. Urine can also be treated to provide drinking water.
- Alcohol should not be drunk because not only does it dehydrate the body but also clouds your judgement and in a survival situation you need a sharp mind!
- Blood although a liquid is considered in this context a food and is salty and so requires body fluids to digest it also, there is a possibility of disease.
Other fluids to avoid are fuels like petrol, antifreeze and coolants. Do not drink water obtained from plants which taste salty, soapy, or if it is milky in colour (unless you know it to be safe like young coconut milk or from a dandelion).
This is the end of part 1, in the next article we will be looking at how to actually find water,
Collect and store it how much we need and why we need to treat it.







































