Alt Model #
Minerela 90 ELITE (8.5 LTR) : 
Minerala 90 Platinum : 
Minerala Platinum Plus (10 Ltr) : Minerala Platinum+ (10 Ltr)
Minerala Ultra (10 Ltr) : 
Series #
Minerela 90 ELITE (8.5 LTR) : Minerala
Minerala 90 Platinum : Minerala
Minerala Platinum Plus (10 Ltr) : Minerala
Minerala Ultra (10 Ltr) : Minerala
Minerela 90 ELITE (8.5 LTR)
Minerala 90 Platinum
Minerala Platinum Plus (10 Ltr)
Minerala Ultra (10 Ltr)
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Highlights
Installation
Minerela 90 ELITE (8.5 LTR) : Wall Mounted
Minerala 90 Platinum : Wall Mounted
Minerala Platinum Plus (10 Ltr) : Wall Mounted
Minerala Ultra (10 Ltr) : Wall Mounted
Total Score out of 100
Minerela 90 ELITE (8.5 LTR) : -
Minerala 90 Platinum : 72
Minerala Platinum Plus (10 Ltr) : -
Minerala Ultra (10 Ltr) : -
Purification Capacity Per Hour
Minerela 90 ELITE (8.5 LTR) : 13.5 Ltr/hr
Minerala 90 Platinum : 13.5 Ltr/hr
Minerala Platinum Plus (10 Ltr) : -
Minerala Ultra (10 Ltr) : -
MRP (Rs)
Minerela 90 ELITE (8.5 LTR) : -
Minerala 90 Platinum : 17490
Minerala Platinum Plus (10 Ltr) : -
Minerala Ultra (10 Ltr) : -
Minerela 90 ELITE (8.5 LTR) : RO
Minerala 90 Platinum : RO
Minerala Platinum Plus (10 Ltr) : RO+UF
Minerala Ultra (10 Ltr) : UV+RO+UF
RO: Reverse Osmosis
RO+UF: Reverse Osmosis & Ultra Filtration
UV+RO+UF: Ultra Violet, Reverse Osmosis & Ultra Filtration
Power Consumption
Minerela 90 ELITE (8.5 LTR) : -
Minerala 90 Platinum : 35 W
Minerala Platinum Plus (10 Ltr) : 36 W
Minerala Ultra (10 Ltr) : 36 W
Storage
Minerela 90 ELITE (8.5 LTR) : 
Minerala 90 Platinum : 
Minerala Platinum Plus (10 Ltr) : 
Minerala Ultra (10 Ltr) : 
Tank Capacity
Minerela 90 ELITE (8.5 LTR) : 8.5 L
Minerala 90 Platinum : 8.5 L
Minerala Platinum Plus (10 Ltr) : 10 L
Minerala Ultra (10 Ltr) : 10 L
Manufactured/Marketed by
Minerela 90 ELITE (8.5 LTR) : -
Minerala 90 Platinum : Whirlpool of India Ltd
Minerala Platinum Plus (10 Ltr) : -
Minerala Ultra (10 Ltr) : -
Electric
Minerela 90 ELITE (8.5 LTR) : Electric
Minerala 90 Platinum : Electric
Minerala Platinum Plus (10 Ltr) : Electric
Minerala Ultra (10 Ltr) : Electric
Warranty(Months)
Minerela 90 ELITE (8.5 LTR) : 12
Minerala 90 Platinum : 12
Minerala Platinum Plus (10 Ltr) : 12
Minerala Ultra (10 Ltr) : 12
Warranty Terms
Minerela 90 ELITE (8.5 LTR) : 
Minerala 90 Platinum : 
Minerala Platinum Plus (10 Ltr) : 1 Year Product Warranty
Minerala Ultra (10 Ltr) : 1 Year Product Warranty
Design
TDS Controller
Minerela 90 ELITE (8.5 LTR) : -
Minerala 90 Platinum : -
Minerala Platinum Plus (10 Ltr) : -
Minerala Ultra (10 Ltr) : 
Number of Purification Stages
Minerela 90 ELITE (8.5 LTR) : 5
Minerala 90 Platinum : 6
Minerala Platinum Plus (10 Ltr) : -
Minerala Ultra (10 Ltr) : -
Colour
Minerela 90 ELITE (8.5 LTR) : White
Minerala 90 Platinum : Silver
Minerala Platinum Plus (10 Ltr) : White & blue
Minerala Ultra (10 Ltr) : Black and silver cladding
Brands Tested
Rank
Minerela 90 ELITE (8.5 LTR) : -
Minerala 90 Platinum : 2
Minerala Platinum Plus (10 Ltr) : -
Minerala Ultra (10 Ltr) : -
Purification
Minerela 90 ELITE (8.5 LTR) : Pre-Filter
Minerala 90 Platinum : Pre-Filter
Minerala Platinum Plus (10 Ltr) : Pre-Filter, RO Membrane
Minerala Ultra (10 Ltr) : Pre-Filter
RO Membrane: Unique RO technology membrane removes excess TDS, blocks dissolved impurities and chemical contaminants, while retaining essential minerals in the drinking water. It also helps removing dissolved salts, hardness, pesticides and heavy metals like arsenic, lead and mercury.
Pre-Filter Purification
Minerela 90 ELITE (8.5 LTR) : 
Minerala 90 Platinum : 
Minerala Platinum Plus (10 Ltr) : -
Minerala Ultra (10 Ltr) : 
TDS Reduction
Minerela 90 ELITE (8.5 LTR) : 93
Minerala 90 Platinum : 93
Minerala Platinum Plus (10 Ltr) : -
Minerala Ultra (10 Ltr) : 90
% Water Recovery
Minerela 90 ELITE (8.5 LTR) : 25
Minerala 90 Platinum : 25
Minerala Platinum Plus (10 Ltr) : 25
Minerala Ultra (10 Ltr) : 25
Weight and Dimensions
Net Weight
Minerela 90 ELITE (8.5 LTR) : 10 kg
Minerala 90 Platinum : 10 kg
Minerala Platinum Plus (10 Ltr) : 8.5 kg
Minerala Ultra (10 Ltr) : 8.8 kg
Width
Minerela 90 ELITE (8.5 LTR) : 534 mm
Minerala 90 Platinum : 534 mm
Minerala Platinum Plus (10 Ltr) : 360 mm
Minerala Ultra (10 Ltr) : 360 mm
Depth
Minerela 90 ELITE (8.5 LTR) : 276 mm
Minerala 90 Platinum : 412 mm
Minerala Platinum Plus (10 Ltr) : 240 mm
Minerala Ultra (10 Ltr) : 240 mm
Height
Minerela 90 ELITE (8.5 LTR) : 412 mm
Minerala 90 Platinum : -
Minerala Platinum Plus (10 Ltr) : 470 mm
Minerala Ultra (10 Ltr) : 470 mm
Power
Rated Voltage
Minerela 90 ELITE (8.5 LTR) : 230 V
Minerala 90 Platinum : 230 V
Minerala Platinum Plus (10 Ltr) : 230 V
Minerala Ultra (10 Ltr) : 230 V
Input Voltage
Minerela 90 ELITE (8.5 LTR) : 160 - 270 VAC
Minerala 90 Platinum : 160 - 270 VAC
Minerala Platinum Plus (10 Ltr) : 140
Minerala Ultra (10 Ltr) : 140
Current
Minerela 90 ELITE (8.5 LTR) : -
Minerala 90 Platinum : -
Minerala Platinum Plus (10 Ltr) : 1.5 A
Minerala Ultra (10 Ltr) : 1.5 A

The Bureau of Indian Standards (BIS) has specified requirements for removal/reduction ofheavy metals in IS:16240. We tested the 10 brands for presence of the following heavy metals:

Arsenic: As many as six brands – Tata Swach, Zero B, Kent, Aquaguard, Electrolux and Usha – did not meet the requirement (a maximum 0.01 mg/l).

Copper: None of the brands met the requirement set by Indian Standard (0.05 mg/l).

Mercuy: All the brands more or less met the specified requirement – minor deviations were observed in Pureit, Aquaguard and Usha.

Cadmium: Minor deviation was observed in one brand, Pureit. All other brands met the standard requirement.

Iron: All the brands met the requirements, with the exception of deviation in two brands, Whirlpool and Usha.

Lead and chromium: All brands met the requirements.

Score out of 14 (for all toxic metals)
Minerela 90 ELITE (8.5 LTR) : -
Minerala 90 Platinum : 12.52
Minerala Platinum Plus (10 Ltr) : -
Minerala Ultra (10 Ltr) : -
Physicochemical Parameters
Minerela 90 ELITE (8.5 LTR) : -
Minerala 90 Platinum : 4.72
Minerala Platinum Plus (10 Ltr) : 90
Minerala Ultra (10 Ltr) : -
Total dissolved solids (TDS) refer to the combined content of all inorganic and organic substance contained in a liquid; these are present in a molecular, iodised, or micro-granular suspended form. RO systems are specifically designed to effectively remove TDS to a great extent. Where the TDS level of supply/ground water is high, from 1,000 up to 2,500–3,000, it is recommended that RO systems be installed for drinking-water purpose. A special cellulose membrane cartridge plays a key role in removing TDS from the input water.

As per Indian Standard, an RO system shall reduce TDS level of feed water to less than or equal to 500 mg/l.

  • Al brands reduced the TDS to below the limit specified (500 mg/l) when the input level was maintained at a fixed level.
  • Tata Swach scored highest on this parameter, followed by Aquaguard.
  • Some brands reduced the TDS level to below 100, which is also not desirable due to their reducing the intake level of essential minerals.

Minerela 90 ELITE (8.5 LTR) : -
Minerala 90 Platinum : 4
Minerala Platinum Plus (10 Ltr) : -
Minerala Ultra (10 Ltr) : -
This refers to the amount of dissolved solid particles that are suspended in the water and that cause light rays shining through the water to scatter. Thus, turbidity makes the water cloudy or even opaque in extreme cases.

The turbidity of drinking water should not be more than 5 NTU and ideally be below 1 NTU. This is a key quality indicator for a water filter/purifier.

  • All the brands were able to remove turbidity to a level that makes it safe and suitable for drinking.
  • Kent, Whirlpool, LG and Tata Swach could remove 100 per cent turbidity and scored highest on this parameter.
Minerela 90 ELITE (8.5 LTR) : -
Minerala 90 Platinum : 3.6
Minerala Platinum Plus (10 Ltr) : -
Minerala Ultra (10 Ltr) : -
As per Indian Standard, the minimum recovery of product water shall be equal to or more than 20 per cent. So, waste water should not be more than 80%.
  • Waste water was in the range of 62 per cent–71.4 per cent. This means the recovery of water in all brands was well above the prescribed limit of 20%.

RO and RO+UV water purifiers produce a lot of waste water during the purification process. Thus, if you pass four litres of water through an RO purifier, it will produce just about one litre of potable water. All the impurities are concentrated in the waste water and hence it is not drinkable.

Can the Waste Be Used?

a) First thing: test the TDS in the waste-water stream. If the TDS is below 1,000, you can use the water in your plants.

b) Alternately, mix some of that water with tap water to mop the house. Make sure you dilute it with tap water because if the TDS is high and you use just the RO waste to mop the floor, you may see some salt deposition after the water dries.

c) You can use the waste water to clean the sewage pipe at home or kitchen because of its saline nature..

d) You can use it to flush toilets.

Minerela 90 ELITE (8.5 LTR) : -
Minerala 90 Platinum : 4
Minerala Platinum Plus (10 Ltr) : -
Minerala Ultra (10 Ltr) : -
Taste and odour of output water should be acceptable; in other words, there should not be any bad odour or taste.

All the brands gave output water with agreeable taste and odour.

Minerela 90 ELITE (8.5 LTR) : -
Minerala 90 Platinum : 2.95
Minerala Platinum Plus (10 Ltr) : -
Minerala Ultra (10 Ltr) : -

pH is a measure of the acidity or alkalinity of a solution. Aqueous solutions at 25 degrees C with a pH less than 7 are considered to be acidic, while those with a pH greater than 7 are considered to be basic (alkaline). When pH level is 7.0, it is defined as neutral at 25 degrees C.

As per Indian Standard, the pH of drinking water shall be 6.5 to 8.5.

Four brands – LG, Pureit, Zero B and Tata Swach – showed slight deviation from the pH requirement for drinking water.

Minerela 90 ELITE (8.5 LTR) : -
Minerala 90 Platinum : 2.9
Minerala Platinum Plus (10 Ltr) : -
Minerala Ultra (10 Ltr) : -
Water hardness denotes the presence of chloride and sulphates of calcium and magnesium salts in water. It is usually expressed in milligrams per litre of dissolved calcium and magnesium carbonate. Calcium and magnesium enter water mainly through the weathering of rocks. The more calcium and magnesium in water, the harder the water.
  • The lowest percentages of hardness reduction were found in Usha (96.88), Zero B (98.89) and Whirlpool (98.89).
  • All other brands reduced hardness by more than 99 per cent
  • Minerela 90 ELITE (8.5 LTR) : -
    Minerala 90 Platinum : 2
    Minerala Platinum Plus (10 Ltr) : -
    Minerala Ultra (10 Ltr) : -
    The presence of residual chlorine in drinking water indicates that a sufficient amount of chlorine added initially to the water to inactivate bacteria and certain viruses that cause diarrhoea, as well as to ensure that the water is protected from recontamination. Residues of chlorine must be absent in the output water of water purifiers. This test was conducted after all other tests.
    • All the brands were able to reduce 100 per cent residual chlorine.

    The presence of bacteria and pathogenic (disease causing) organisms is a concern when considering the safety of drinking water. Pathogenic organisms can cause intestinal infections, dysentery, hepatitis, typhoid fever, cholera and other illnesses. As per the BIS requirement, the RO purifier shall inactivate/kill the selected standard challenging organism E. coli.

    Minerela 90 ELITE (8.5 LTR) : -
    Minerala 90 Platinum : 99.6
    Minerala Platinum Plus (10 Ltr) : -
    Minerala Ultra (10 Ltr) : -

    When E. coli exceeds the permissible level in water, consumers are advised to boil the water they use for cooking and drinking, and even for brushing teeth. As per Indian Standard, the requirement is 99.9999 percentage reduction in E. coli. We observed all tested brands for four consecutive weeks to check percantage reduction in E. coli levels.

  • None of the brands we tested.met the requirements of Indian Standard for E. coli reduction. Hence, none of these RO water filters can be said to be completely safe for drinking.
  • Minerela 90 ELITE (8.5 LTR) : -
    Minerala 90 Platinum : 99.5 %
    Minerala Platinum Plus (10 Ltr) : -
    Minerala Ultra (10 Ltr) : -

    When E. coli exceeds the permissible level in water, consumers are advised to boil the water they use for cooking and drinking, and even for brushing teeth. As per Indian Standard, the requirement is 99.9999 percentage reduction in E. coli. We observed all tested brands for four consecutive weeks to check percantage reduction in E. coli levels.

  • None of the brands we tested.met the requirements of Indian Standard for E. coli reduction. Hence, none of these RO water filters can be said to be completely safe for drinking.
  • E. coli Score out of 16
    Minerela 90 ELITE (8.5 LTR) : -
    Minerala 90 Platinum : 4.28
    Minerala Platinum Plus (10 Ltr) : -
    Minerala Ultra (10 Ltr) : -
    Minerela 90 ELITE (8.5 LTR) : -
    Minerala 90 Platinum : 99.6 cfu/100ml
    Minerala Platinum Plus (10 Ltr) : -
    Minerala Ultra (10 Ltr) : -

    A microorganism smaller than bacteria, the MS2 virus cannot grow or reproduce apart from in a living cell. Viruses are the smallest agents of disease, and perhaps the most problematic, because they are as minute as 0.04 u (micron). Viruses cause many common human infections and are also responsible for a bevy of rare diseases. Viruses can infect all types of life forms, from animals and plants to bacteria and archaea.

    Based on the requirement specified by IS: 16240,MS2 virus was spiked in input water and the output sample was tested to check the virus-removal efficiency of purifiers.

    • None of the brands we tested met the requirement of Indian Standard for removal of MS2 virus. Hence, none of these RO water filters can be said to be completely safe for drinking.
    Minerela 90 ELITE (8.5 LTR) : -
    Minerala 90 Platinum : 93.3 cfu/100ml
    Minerala Platinum Plus (10 Ltr) : -
    Minerala Ultra (10 Ltr) : -

    A microorganism smaller than bacteria, the MS2 virus cannot grow or reproduce apart from in a living cell. Viruses are the smallest agents of disease, and perhaps the most problematic, because they are as minute as 0.04 u (micron). Viruses cause many common human infections and are also responsible for a bevy of rare diseases. Viruses can infect all types of life forms, from animals and plants to bacteria and archaea.

    Based on the requirement specified by IS: 16240,MS2 virus was spiked in input water and the output sample was tested to check the virus-removal efficiency of purifiers.

    • None of the brands we tested met the requirement of Indian Standard for removal of MS2 virus. Hence, none of these RO water filters can be said to be completely safe for drinking.
    MS2 Virus Score out of 16
    Minerela 90 ELITE (8.5 LTR) : -
    Minerala 90 Platinum : 4.16
    Minerala Platinum Plus (10 Ltr) : -
    Minerala Ultra (10 Ltr) : -
    Minerela 90 ELITE (8.5 LTR) : -
    Minerala 90 Platinum : Able to reduce the pesticide residues
    Minerala Platinum Plus (10 Ltr) : -
    Minerala Ultra (10 Ltr) : -
    • In India, high concentrations of both organochlorine and organophosphorous pesticides have been found in surface and ground water samples. Reverse-osmosis water filters are expected to remove pesticide residues.
    • We tested the 10 brands for pesticide residues. They were all able to reduce the pesticide residues and scored equally well.
    General Qualities
    Minerela 90 ELITE (8.5 LTR) : -
    Minerala 90 Platinum : 3.52
    Minerala Platinum Plus (10 Ltr) : 10
    Minerala Ultra (10 Ltr) : 10
    Water-storage capacity should be as declared by the manufacturer.
    • In five brands – Tata Swach, Electrolux, Usha, Aquaguard and Pureit – the water-storage capacity was found to be less than the declared.
    Minerela 90 ELITE (8.5 LTR) : -
    Minerala 90 Platinum : 5
    Minerala Platinum Plus (10 Ltr) : -
    Minerala Ultra (10 Ltr) : -
    All the brands scored equally well.
    Minerela 90 ELITE (8.5 LTR) : -
    Minerala 90 Platinum : 2.7
    Minerala Platinum Plus (10 Ltr) : -
    Minerala Ultra (10 Ltr) : -
    It is the quantity of output water released from the system in a particular time period. Production rate should not be less than five litres per hour.
    Minerela 90 ELITE (8.5 LTR) : -
    Minerala 90 Platinum : 3.6
    Minerala Platinum Plus (10 Ltr) : -
    Minerala Ultra (10 Ltr) : -
    Overall, the workmanship and finish ranged from good to very good.
    Minerela 90 ELITE (8.5 LTR) : -
    Minerala 90 Platinum : 3
    Minerala Platinum Plus (10 Ltr) : -
    Minerala Ultra (10 Ltr) : -
    As per BIS requirement, a nameplate shall be fixed on the body of the RO system at a prominent location. The nameplate shall be marked with these details:
    • Name of manufacturer
    • Brand name
    • Production serial number
    • Model name or code
    • Production rate in l/h
    • Percent recovery of product water
    • Maximum operating TDS level
    • Supply voltage, whether single- or three-phase, frequency, volts and wattage

    The product should include these details as well: namely address of manufacturer, manufacturing date, MRP, and warning/precaution note. An instruction manual containing proper method of operation and use of the purifier shall be supplied along with the purifier. The purifier may also be marked with the Standard mark.

    All the brands had provided the required information

    Minerela 90 ELITE (8.5 LTR) : -
    Minerala 90 Platinum : 2
    Minerala Platinum Plus (10 Ltr) : -
    Minerala Ultra (10 Ltr) : -
    As per the national standard, packing of RO purifier shall be sufficiently robust to give adequate protection from transportation damage. Being made from plastic material, the product has delicate assemblies and housing.
    • All the water purifiers were packed in thick, laminated paperboard carton supported by good-quality thermocol to give protection from damage.
    Minerela 90 ELITE (8.5 LTR) : -
    Minerala 90 Platinum : 2
    Minerala Platinum Plus (10 Ltr) : -
    Minerala Ultra (10 Ltr) : -
    A user’s manual for proper method of operation and use of the RO system shall be supplied along with the product. It shall also include details on the life and specification of all the filters/ consumables.
    • In the case of Aquaguard, no manual was provided with the unit.