Water Filtration

Filtration of water is rapidly becoming a major concern for households and businesses across the country. With the rising costs of water supplied by your local authority you would be smart to use as much free rainwater as possible.

With more and more people installing rainwater tanks wouldn't it be good if you could use that water for more than watering the garden or connecting it to your toilets. What if you could use it for a reliable source of water for supplying your laundry, dishwasher or even cold water supply to your hot water unit. With the correct filtration system you can even use this rainwater for your drinking supply.

There are many filters you can use around the house, at your place of work or in the food industry to improve the quality of water you are using. Install a water filter

Types of Filtration

In-line Filtration Single Cartridge Filtration
Twin Cartridge Filtration Reverse Osmosis Filtration
Portable Counter top Filtration Shower Filtration
Whole House Filtration UV Disinfection
Ozone Sterilization Water Softening

In-line Filtration


This Type of filtration is generally used as a end of line filter or polishing filter, such as a water connection to a fridge, water bubbler, boiler unit, coffee machine, etc. They are used mainly to assist a much more efficient filter system at the head of the line, particularly when there is a long run of pipe between the filter system and the appliance.


Single Cartridge Filtration

Single cartridge filters are a carbon filter and are a good, economical way to filter tap water of unwanted chlorine, other taste problems and odour reduction. Some will filter water of heavy metals and micro-organisms such as Giardia and Cryptosporidium. They start at 5 micron and go down to 0.5 micron.






Twin Cartridge Filtration

Twin cartridge filters are basically a single cartridge (carbon & usually 0.5micron) which is protected by a more economical pre-filter (fibre & usually 5micron). This system is used when the quality of the pre-treated tap water is poor. The job of the pre-filter is to remove larger particles and sediment which would normally come through and reduce the life of the main filter.






Reverse Osmosis Filtration

This is the premium filtration process with a 4 stage filtration process starting with a sediment filter, then a carbon filter, then a reverse osmosis membrane which blocks particles and dissolved chemicals down to 0.0001 of a micron and this is followed by a specialty filter which will removed specific chemicals and compounds. The cleaned water is then stored in a storage vessel, a post in-line filter is generally installed in between the tank and the outlet tap. These systems are generally tailored to suit your water supply.







Portable Counter top Filtration

This is basically a single cartridge filter unit which can be attached to any tap with an aerator on its outlet. They range between 5 micron down to 0.5 micron.






Shower Filtration

This is an end of line device which replaces your existing shower head. These can be used to remove chlorine, Sulphur odours and scale from your shower water.






Whole House Filtration

These filters are attached to the mains water supply to the house. They generally only filter down to 10 microns due to loss of water pressure. They are a good first stage filtration device, they do remove large sediment, Chlorine, bad taste and odours and will clarify the water. Installing these filters will prolong the life of other finer filters and appliances through out the house.






UV Disinfection

This process is usually carried out after a filtration system, in most cases the water is filtered at 20 microns but in extreme cases as low as 1 micron is needed. The filtering process is important as UV disinfection will not work with any large particulate matter in the water, as microorganisms can be shielded from the UV light by the particulate matter. This is a very good and economical way to treat collected water (e.g. rainwater tank) for use as a drinking water supply. This type of disinfection is very effective but will not guarantee 100% protection, coupled with ozone sterilization will prove a more reliable treatment if using the water as a potable source. These units are generally tailored to your needs and can be used in domestic, commercial and industrial applications.




Ozone Sterilization

This process works by injecting compressed ozone (O3) into the water you want to treat either by an ozone generator at the body of water stored or at the end of the line on the faucet as seen in the picture. The ozone is created by adding an extra oxygen atom to oxygen (O2), this is done by a process of passing normal oxygen through high intensity UV rays. This is the same as how our sun has created an ozone layer around the Earth with it's UV light. The beauty of ozone treatment is nothing remains in the water unlike other treatments such as chlorine, once the ozone has completed it's process it oxidizes, giving up and attaching it's extra oxygen atom to anything that will oxidize. this process not only sterilizes your stored water but will also remove any discoloration in the water. This is premium way to sterilize collected water and your initial outlay can be costly for large collections of water. Other benefits of ozone sterilization are removal of bad odours and taste, it neutralizes the PH of your water, it kills mould, fungus and wild yeast spores and stops algae from developing in your stored water source and in turn prevents scale build up in your home water pipes, hot water units and other appliances around the home. These units are generally tailored to your needs and can be used in domestic, commercial and industrial applications. End of the line faucet adaptors obviously will not be as effective as a proper ozone generator, they also require you to let any water passed through them stand for at least 5 minutes before consumption. They are a good way to sanitize food before consumption.









Water Softening

Water softening is used where the existing water source is considered "hard", this is water which contains high levels of calcium or magnesium dissolved in it. The reason you want to remove the calcium or magnesium from the water is it can damage appliances around the house such as kettles, boiler units or hot water units where scale from the hard water attaches to the elements in these appliances reducing their efficiency and sometimes causes the elements to fail. Hard water is also responsible for soap not lathering properly reducing sanitary conditions. The water softener removes calcium and magnesium ions from the water by replacing them with sodium ions. These units do require the owner to maintain salt levels in a separate brine tank attached to the unit but are an economical solution to Hard water.









As you can see there are quite a few filtration systems available, it's important to understand that there is no one solution to safe drinking water. None of these options above can offer 100% effectiveness, due to maintenance issues, such as filter replacement, a UV light breakdown or ozone generator malfunction. Most water filters should be replaced every 12 months, some UV lamps need replacing every 2 years and ozone treatment systems should have a yearly maintenance schedule. This is why you should use at least 2 systems in tandem. Such as these examples below.

Ozone at the tank + UV at the drinking source
UV at the tank + Ozone Faucet Adapter
Ozone or UV at the tank + Reverse Osmosis at the drinking source
Ozone at the tank + UV after the pump to the house.
Ozone or UV at the tank + Twin cartridge filter at the drinking source

We can design a system to suit your needs and budget.


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