R0-50 50GPD RO Water System

RO-50, 50 Gallon Per Day Reverse Osmosis Water Filter, 4 stage filtration, RO Water System Mixed Bed DI Resin Stage.


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£71.94 inc-VAT


RO-50, 4 Stage Reverse Osmosis Water Filter, manufactured to provide a low cost method of producing water with a low conductivity for use with Marine Aquariums, Discus, Plant Propagation.

Designed to provide an efficient low conductivity pure water solution for Aquariums, Hydroponics Drinking, Marine aquariums and discus, propagation of plants and use in pharmaceuticals.

Reverse osmosis filter more suited for low output applications (Up to 100 Litres per day). This does require a minimum water pressure of at least 2 bar to operate, but provides higher output which a higher mains water pressure. This filter's output is governed by your actual mains water pressure.How do I know if i have sufficient water pressure? Information provided by one of the major UK Water Companies suggests that for every 9 Litre (2 UK Gallons) you can obtain from the tap nearest to where you wish to connect your filter to is the equivalent of 1 bar (14.5PSI). Thus 18 Litres of water in one minute is equivalent to 2 bar.

This product is made from heavy duty food grade plastics. The filters are manufactured by a quality ISO 9001 company a member of the Quality Water Association of America.


Vyair designed and tested this unit to provide a simple easily maintained water filter. This unit can be maintained with low cost consumables available from thewatersite. This Reverse Osmosis Water Filter is delivered complete with all parts so that it can be installed and be ready to roll.

We offer a colour change resin upgrade, which will change colour over time and let you know when it is time to change the resin.

Dependent upon usage of the unit the 1 & 2 cartridge filters will need changing every 6months, the membrane filter requires changing at approximately 12-18 months. All filters are in stock and can be purchased at any time. The need to change filters is dependent upon actual use and the quality of your water. To save on postage cost we strongly recommend purchasing a spare set at time of original purchase.


  • 4 Stage Reveres Osmosis Water Filter
  • Stage 1 10" 5 Micron Polypropylene sediment/particle filter
  • Stage 2 10" 10 Micron Block Carbon (CTO) Filter
  • Stage 3 Vontron ULP2012-100 100g Membrane
  • Stage 4 Horizontally fitted refillable DI Resin Stage
  • Manual Membrane Flush
  • Mains Water Pipe piercing connection (for use with Copper Piping only)
  • 5 Metres of Food Grade 1/4" Water Pipe
  • Delivered with Mixed Bed DI Resin for Stage 4
  • WILL REMOVE:Sodium, Calcium, Magnesium, Iron, Manganese, Aluminium, Ammonium, Copper, Nickel, Zinc, Strotium, Cadnium, Silver, Mercury, Barium, Chromium, Lead, Chloride, Bicarbonate, Nitrate, Fluoride, Silicate, Thiosulfate, Ferro cyanide, Bromide, Borate, Arsenic, Selenium.
  • AND Biological & Particulate Contaminants: Bacteria, Protozoa, Amoebic Cysts, Guardia, Asbestos & any Sediment

Technical Information

  • 4 Stage 10" Reverse Osmosis Water System with refillable resin stage
  • Reliable Pushfit Fittings
  • Simple turn the water on when you wish to produce water
  • Competitively Priced Consumables (Filters, DI Resin and Membranes) are readily available
  • Detailed Installation Instructions supplied with the Unit
  • Filters 1 & 2 should be changed every six months
  • Reverse Osmosis membrane should be change when the TDS reading is no longer acceptable, approximately 12-36 months dependant upon input water quality.
  • Refillable Resin stage should be refilled with new resin when the resin is spent (check with TDS Meter)
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