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Author: Filter Water
Reverse Osmosis is a process that was discovered and understood well enough to be made reliable about 40 years ago
On the right is a diagram which depicts a “Reverse Osmosis Plant”. Though much simplified basic it is showing the the size of the hole in the membrane
which the water passes is smaller the even the size of say a virus. This diagram is not to scale represents the process approximately.
Reverse osmosis is now used in commonly in the home as well as industries such has medicine and pharmaceuticals as away of purifying or separating water and other impurities from it.
Reverse Osmosis: A Scientific View (Explained Simply)
Reverse Osmosis explained simply is hard to do but it is a considered complex process which uses a series membranes under pressure to separate relatively pure water (or other solvent) from a less pure solutions. When 2 aqueous (liquid) solutions of different concentrations are separated by a semi-permeable membrane, water can pass through the membrane in the direction of the more concentrated solution as a result of osmotic pressure. If enough counter pressure is applied to the concentrated solution to overcome the osmotic pressure, the flow of water will be reversed.
Here is a great prezi which explains the process.
Quality of Reverse Osmosis Product Water
The amount of dissolved solids in water produced by reverse osmosis is approximately a constant percentage of those in the feed water. So if you live in an with a great deal of disolved solids in the water you will need to replace the cartridges in you system more often to keep the Reverse Osmosis system in peek condition. You can buy replace cartridges here or a complete 5-stage reverse osmosis system which fits under your sink
Ask any coffee lover if the type of water matters in their morning cup of coffee (or hourly) and just about everyone will say “yes”. There are three types of water available to home : affordable filtered water, tap (town) and expensive bottled water.
For this purpose (making coffee) bottled water is indeed a waste of money and resources, especially since numerous bottled waters are basically filtered (hopefully) town water that has been re-packaged and marketed. Nothing wrong with that but their are better alternatives.
Two camps “Tap Water Rules versus “Filtered Water Mob”.
If your spending good money on buying quality coffee beans from a much loved coffee roasting house than using a filtered water make perfect sense. Coffee purchased from specialty coffee suppliers can cost upto $100 a kilogram for Hawaiian Kona (see wikipedia).
Town water (tap water) has a taste of its own and depending on supplier it may have a fair amount of chlorine added which has a strong-ish taste to say the least. Coffee and more particularly the complex and subtitle flavors it often has are best served in filtered water to enjoy the taste of the coffee as it was meant to be.
Why bother filtering your coffee if you not going to filter your water. Using town water will require more maintenance as tap water contains calcium and that along with other salts etc start to block up parts of the typical espresso machine if you are using filtered water greatly reduces maintenance requirements.
We all know that bottled water has become increasingly popular in Australia in last decade or so.
Less well know is that plastic bottles generate an enormous amount of waste that is ending up in local dump (landfill) or local environment.
If you make use of a good water filter and recycle water bottles you can help conserve vital resources and protect the environment. A huge benefit is the bonus effect of saving money at the same time. For about the cost of 36 store bought bottles of water ($110 3-Stage Undersink filter) you can buy a good water filter. On the other hand local tap water may cost just a few cents per litre.
Many bottles are made of out of PET (Polyethylene Terephthalate) plastic bottles which are made from petroleum (or crude oil).
“Did you know it can take up to 3 Liters of water to produce 1 Liter of bottled water?” – see The Water Project
The process of transportation of bottled water around the place requires huge amount of energy expenditure basically wasted when compared the energy costs involved in filter water close to where it will be used.
Below is a great video about how great “Tap water” versus “Manufactured Bottle water”.
If you dont have 8 minutes it basically a well made video that rubbishes the idea of buying bottled water and points out that is it basically no better than regular tap water except it is x2000 more expensive. Which is actually strange when you think about it make a great comparison between $5 sandwiches vs $10,000 if it was x2000 the cost like the difference between tap and bottled water is.
So think how great your own filtered tap water would taste not to mention the cost. If you need a filter or upgrade then visit our shop
This is a difficult question to answer so we think you could ask yourself a series of questions about how do you use water.
1. How much water does your household drink are you big water drinkers ?
Most people drink should drink at least 6-8 cups (glasses) a day but that really that will depend on personal circumstances, activity levels, age and environment.
2. What sort of budget did you have in mind ?
An under sink system now start at $110 for a great 3 stage water filter
3. Does your budget matches your expectation ?
Hopeful our latest price reductions of saving $200 we can now offer them at $490 plus shipping for a reverse osmosis system)
4. Is removing fluoride important to you ?You can learn more about fluoride and what the ADA (US) we have to say about the matter in our opinion blog post written a few months ago this year.
5. Do you have the space for an under-sink water filter system ?
You will need to have access to you underneath your sink area.
6. Will you self install or need an expert ?
If you can self install great other contact us for more information about how to find a suitable person to help
At FilterWater.com.au we have a great suggestion for making a better home brew.
A lot of people ask me what is so special about the home brew beer I love to make and this is usually from other home brew enthusiasts as well. Many are surprised to hear my secret is really simple filtered water. Specifically using a RO (reverse osmosis) system to remove most of the chlorine and other nasty chemicals that can effect the taste and smell.
All good home brewed beers start with having happy yeast and they are particularly fussing about the water not just the temperature which is quite specific for most yeast but the quality of the water meaning has it had the chlorine, salts and other chemicals removed.
I would also recommend a system with a pump as it can take a long time to fill 23 liters of water without one.
If you like to learn more about yeast take a look at this guide from Beer Advocate
If you have some spare time I believe it is worth reading an interesting publication produced the ADA (American Dental Association).
For example this is a table that is on page 25 suggests that infants should get very close to 0 ZERO fluoride.
The following is a quote for page 26. In my opinion suggests that children get a lot fluoride through drinking tap water.
Children living in a community with water fluoridation get a portion of their daily fluoride intake from fluoridated water and a portion from dietary sources which would include food and other beverages.
When considering water fluoridation, an individual must consume one liter of water fluoridated at 1 part per million (1 ppm) to receive 1 milligram (1 mg) of fluoride.
Children under six years of age, on average, consume less than one-half liter of drinking water a day.
Therefore, children under six years of age would consume, on average, less than 0.5 mg of fluoride a day from drinking optimally fluoridated water (at 1 ppm)
That is not even taking into account another statement that studies show children who brush their teeth twice daily are swallowing on average “0.6mg of fluoride” as well. You can reduce this unnecessary expose to fluoride by using a reverse osmosis system.
An undersink water filter system is an advanced type of filtration system that fits neatly under you sink, hence the name undersink (or under sink) water filter system.
It help will make drinking water safer for your family with improved taste and greater clarity, you’ll find better flavour in foods and beverages when they are made with filtered water.
This is a what one of 5 Stage Reserve Osmosis Undersink system looks like.
One of the greatest things about undersink system is that you can simply turn on a tap and get fantastic water from it. Also it is out of the way unlike a water filter system that sits on your kitchen counter taking up valuable bench space. By installing it under your counter the system can include a pump and that means it can also produce more water than a system which is gravity feed or counter-top based.
Most people can install of themselves in just a couple of hours and they only maintenance required is the change of replaceable cartridges ever 6-12 months depending the condition of the water going through the system in the first place.
The first time you change you ever change a cartirdge you will be glad you got a filter rather then being the filter (think about your poor kidneys).
Filter water before you drink it your body will thank you. Most people are unaware of what is in their water and why they should filter water before drinking it. This include people who have the water supplied by the local authority or private water vendors. One way you take the guess work is use a quality filter to clean up your water.
A water filter can removes impurities from water by means of a fine physical barrier, a chemical process or a biological process to filter water.
Filters cleanse or filter water to different extents for purposes like irrigation, drinking water, aquariums, and swimming pools. At Filter Water we are concerned with helping people get access to clean water.
Typical Water will contain most if not all of the following impurities and containment’s at various levels depending on your location :
Typical Water Impurities
|Arsenic +3 +5||Glucose||Silicate|
|Chlorinated Pesticide||Nickel||Sodium Nitrate|
The are various option for removing these and really depends on the source of the water. As a minimum we recommend the use a basic 3 Stage Water Filter or a complete 5 Stage Reverse Osmosis System.
Reverse osmosis (RO) is a water purification technology that uses a semipermeable membrane. RO can remove many types of molecules and ions from solutions and is used in both industrial processes and in producing potable (clean drinkable) water. The result is that the solute is retained on the pressurized side of the membrane and the pure solvent is allowed to pass to the other side. To be “selective,” this membrane should not allow large molecules or ions through the pores (holes), but should allow smaller components of the solution (such as the solvent) to pass freely.
“Tap Water vs Reverse Osmosis” (RO) – Filter Water
Here is a great (but slightly geeky video) explaining the difference between
And yet another way of looking at the video is here on this Youtube link