Reverse Osmosis Systems

Reverse Osmosis is a process where water is demineralised using a semi-permeable membrane at high pressure. Your normal filtration units will only reduce certain contaminants such as silt, rust, chlorine and bacteria (up to 96%). Your reverse osmosis unit will purify your water up to 99.9% or 0.0001 microns, thus removing other dissolved contaminants such as colloid, lead, mercury, germs and other metals.

iwatershop-filtersIt is essential that you maintain your home reverse osmosis unit to ensure you produce only the cleanest water and that you do not “poison” your drinking water. This is an example of how your filters look when they are not properly maintained. The difference between the new and used filters is evident and tells its own story. When the filter is not changed regularly, contaminants build up in the filter, it slows the flow of the water and most importantly, it feeds all the contaminants back into your drinking water!
Depending on the source of the incoming water we recommend the following as a minimum requirement:

  • 6 to 12 Months change the PPC filter
  • Every 6 to 12 Months change the carbon block and granulated activated carbon filter.
  • If you do this, you protect the membrane which can then last for between 3 to 5 years.
  • It makes financial sense to rather change the cheaper filters more often as they protect the membrane and keep it free from contaminants.

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  • Under counter home unit without pump
  • Under counter home unit with pump
  • Larger under counter units suitable for guest houses
  • Larger capacity reverse osmosis systems available for guest houses, offices and workshops

Stage 1 - Polypropylene Cartridge – Compacted Fibre Filter

Removes particles such as silt and rust

Stage 2 - Activated Carbon Filter

Removes chlorine and odours

Stage 3 – Granular Active Carbon

Removes additional chlorine and water discolourants

Stage 4 – Reverse Osmosis Filter

Removes colloid, heavy metals, dissolvable solids, germs, bacteria and other harmful substances up to 1 micron

Stage 5 - Post Activated Carbon Filter

Removes any additional odours

Stage 6/7 – Re-mineralization Filter

Optional but recommended.
Choice of one or both of the following:
Re-mineralization Filter – Re-introduces certain minerals Alkaline filter – Produces water with pH 8 and higher

Industrial Units available on request.

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