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Aquafresh RO 18 Ltr | Supreme Model | Biggest Storage @4599
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Aquafresh RO 18 ltr | Supreme Model


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Aquafresh RO 18 ltr | Aqua Supreme:

This Water filter purifies comes in 3 different models 5 Stage | 7 Stage | 7 Stage + Alkaline you can choose whichever model is best for you means water get the option to choose in a single Body(filter), ultimately you can choose from 5 Stage (RO System), 7 Stage (RO+UV+UF+TDS), 7 Stage + Alkaline (RO+UV+UF+TDS+Alkaline).

Let’s Understand the functioning of this Aqua Supreme Model:

I’ll be explaining the 7 Stage + Alkaline Model as it’s the top model in AquaSupreme Segment you will easily get an idea of other models also 🙂

  1. Pre-Filer Bowl
  2. Pre-Carbon Filter
  3. Sediment Filter
  4. TDS Controller
  5. Membrane
  6. UV Chamber
  7. Alkaline
  8. Ultra Filteration (UF)

Explanation of all steps:

  1. Pre-Filter Bowl: Firstly the water goes into Pre-Filter Bowl which helps in eliminating bigger particles, for example, sand residue, earth, and different silt from the water. The pre-Filter helps in securing the RO Layer that gets obstructed because of the introduction of chlorine and other chemicals. (Recommended to change SPUN Candle after 4 months)
  2. Pre-Carbon Filter: Pre-Carbon Filter contains Activated Block Carbon they have a high surface area through which they can eliminate foreign substances through adsorption, a cycle wherein broken up toxins hold fast to the outside of the carbon particles. (Must change after 12 Months)
  3. Sediment Filter: A sediment filter removes out the rest of sand, rust, and other Harmful particles 10 times smaller than a grain of sand. (Must change after 12 Months)
  4. TDS Controller: Main part of Aquafresh RO UV UF TDS  is this whose actual meaning is Total dissolved solids which refer to the total amount of minerals and chemicals dissolve in water. Therefore TDS Controller controls the number of minerals and chemicals you want in the water so, in other words, you can adjust TDS as you want (Recommended TDS 80-120)
  5. Membrane: After collecting water from the sediment filter Booster Pump push the water towards the membrane in the membrane water passes through 0.001-micron filtration where water gets separated into two parts: (i) Drinking water (ii) Reject water.  (Change at Technical Advice)
  6. UV Chamber: UV Chamber is an astounding and effective method for removing living bacterias from your water. By utilizing a UV light to transmit UV beams equipped for executing living bacterias in the water, the UV water framework successfully treats your water-related to your total water treatment frameworks. (Change at Technical Advice)
  7. Alkaline: Now this candle makes this filter different from others, In today’s world water is treated with the help of chemicals and because of that people are facing problems like acidity now after installing this candle into your filter it impacts the pH scale of water and forces it to increase the number above 7 pH. (Recommended to change between 12-24 months)
  8. Ultra Filteration: UF works the same as Membrane with 0.1-micron filtration now you must be thinking that why to use 0.1-micron filtration after membrane(0.001-micron); here is the explanation when we adjust the TDS then some of the bacteria/chemicals again comes into the water to remove those bacterias/chemicals we use UF else if TDS Controller is not included in the whole filter then there is no use of UF. (Recommended to change after 12 months)


Aquafresh RO 18 Ltr water purifier price rage is one of the Best RO Systems with HUGE Storage.


What is Inside the box of Aquafresh Supreme RO:

  1. Aquafresh RO 18 Ltr Water Purifier*
  2. Outer bowl (Pre-Filter Bowl)
  3. Outer Bowl Key
  4. 1 Piece Spun Candle
  5. Water Assembly
  6. 10ft pipe
Warranty Period: Aquafresh RO 18 Ltr Water Filter comes with a huge 1-year warranty**


  • 5 Stage RO Systems will give you the TDS of 10-30
  • 7 Stage RO+UV+UF+TDS is adjustable here you can set TDS to your wish


Note: Aquafresh RO 18 Ltr comes with different bodies and designs,  so the body can be different from the image but the machinery is going to be the same as described above.


**Conditions Applied


According to my experience, Aquafresh RO 18 Ltr can be considered as the Best Water Filter in budget with 18 Liter of Storage.


Check out the other models of Aquafresh water filter by scrolling down below:

There are some articles also which you can read related to water:

What happens when you drink too much water

Coldwater VS Warm water

Effects of drinking water on an empty stomach

Additional information

Weight 8 kg
Dimensions 46.5 × 26.5 × 59 cm





5 Stage, 7 Stage, 7 Stage + Alkaline


18 Liter




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