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Osmotics Water Filters are fast becoming the leading brand within the water filtration industry. Our water filters and Reverse Osmosis systems improve water taste and quality by reducing impurities.
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    Eco-Ultra-Pure 5 Stage 150 Gallon Per Day RO System
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    Eco-Ultra-Pure 5 Stage 150 Gallon Per Day RO System
    £167.16
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    Based on our class leading Ultra-Pure Reverse Osmosis units, this RO system recycles waste through additional membrane(s) to reduce waste by up to 50% whilst producing water at much faster rates thereby conserving water. In common with our upgrade kits, our trials have shown that adding a second or even third membrane to your current system will reduce the waste by up to 50% and pure water production rates will increase by up to 95%.  Please note that ideal conditions are required to achieve best possibl...


    This product was added to our catalog on:
    4-06-2017

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    Eco-Ultra-Pure 5 Stage 150 Gallon Per Day RO System

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    COM-300: Waterproof Professional Series pH/EC/TDS/Temp Meter
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    COM-300: Waterproof Professional Series pH/EC/TDS/Temp Meter
    £101.11
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    The COM-300 is a professional grade level pH/EC/TDS/Temp meter ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. Features Measures Potential Hydrogen (pH), Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity and Temperature Five scales: pH, µS, mS, ppm 0.5 (NaCl) Scale & 0.7...


    This product was added to our catalog on:
    16-07-2017

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    COM-300: Waterproof Professional Series pH/EC/TDS/Temp Meter

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    4 Stage 100 Gallon Per Day Reverse Osmosis System with DI
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    4 Stage 100 Gallon Per Day Reverse Osmosis System with DI
    £102.00
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    A full size 100 Gallon Per Day Reverse Osmosis system with Deionisation stage which is ideal for aquariums, window cleaning and car washing. Now with Free pressure gauge as standard.This full size system has superior pre-filtration due to its large 10inch filters and also includes a membrane flush system which reduces membrane fouling thereby extending life.This RO system will remove upto 99% of tap water contaminants. The Osmotics RO system includes:- 1 x 100 US gallon per day membrane 1 x 5 micron Sediment Pre-...


    This product was added to our catalog on:
    1-05-2011

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    4 Stage 100 Gallon Per Day Reverse Osmosis System with DI

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    PSC-60D: Dual Display, Dual Line EC/TDS Monitor
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    PSC-60D: Dual Display, Dual Line EC/TDS Monitor
    £99.96
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    The PSC-60D is a NEW product from HM Digital offering dual display monitoring for the industrial water treatment professional. This extended range EC/TDS “mini” monitor continuously monitors 2 lines. This TDS meter allows you to monitor your Reverse Osmosis system performance giving you peace of mind that everything is working as it should. Features Continuously monitors two lines simultaneously Dual line TDS/EC displays feed and product water Extended range for TDS and EC Digital calibration S...


    This product was added to our catalog on:
    16-07-2017

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    PSC-60D: Dual Display, Dual Line EC/TDS Monitor

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    Apera Instruments TDS20 Value TDS Meter
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    Apera Instruments TDS20 Value TDS Meter
    £47.95
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    The Apera Instruments TDS20 tester is simply the most reliable pocket TDS tester with the best value for all kinds of regular TDS testing, including tap water testing, agriculture, aquaculture, pools and spas, education, etc. (Range: 0-100.0 ppm, 0-1000 ppm, 0-10.0, Accuracy: ±1% F.S).   1-2 points auto calibration with auto buffer recognition, 0 to 50˚C auto temp. compensation.   The BPB (Brush-Resistant Platinum Black) sensor adopts our special processing technology, which minimizes electro...


    This product was added to our catalog on:
    14-09-2019

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    Apera Instruments TDS20 Value TDS Meter

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    1 Litre Colour Changing DI Resin
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    1 Litre Colour Changing DI Resin
    £11.99
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    DI Mixed Bed Resin is used in our refillable cartridges. Demineralisation Resins are used to reduce TDS (polishing the water). The TDS from a RO unit is not always as low as required so using DI resin will bring the TDS down to almost zero.    This version also contains colour indicators which change from blue to amber as the resin becomes exhausted, these cartridges provide the best in water purification and filtration. It is recommended that the resin is replaced shortly before complete colour change ...


    This product was added to our catalog on:
    25-11-2017

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    1 Litre Colour Changing DI Resin

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Formed in 2005, Osmotics has grown year on year becoming a household name for Reverse Osmosis equipment. We now supply Reverse Osmosis equipment for Aquarists, Window Cleaners, Car Valeters, Medical Professions and to many more fields
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Our Products
HM Digital SP-P5 pH Replacement Probe for HydroMaster HM-500 with box
The HM Digital SP-P5 is a replacement pH probe for the HM Digital HydroMaster HM-500.   It has an easy assembly,...
£55.19
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HM-500 TDS/EC Replacement Probe
HM-500 TDS/EC Replacement Probe (Replacement EC/TDS sensor for HM-500) Measures Conductivity and TDS Measures Tempe...
£40.60
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HM-200: Portable pH/EC/TDS/Temp Monitor
The HM-200 is a versatile portable pH/EC/TDS/Temp monitor ideal for all water quality testing, hydroponics, water p...
£143.70
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ORP60-Z with Smart Phone
The APERA Instruments ORP60-Z Smart Redox- Tester is the latest generation of instruments that make water analysis even ...
£210.00
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PH60-Z with Smart Phone
The Apera PH60S-Z Smart pH Pocket Tester is the next-generation product designed for seamless pH test experience. Profes...
£174.00
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PC60-Z with Smart Phone
The next-generation water tester designed for seamless water test experience. Professional measurements for conductivity...
£174.00
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What is Reverse Osmosis?

Reverse osmosis (RO) is a filtration method that removes many types of large molecules and ions from solutions by applying pressure to the solution when it is on one side of a selective membrane. 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.

Reverse osmosis is most commonly known for its use in drinking water purification from seawater, removing the salt and other substances from the water molecules.

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