TDS meter price in Pakistan, and how to use one
What TDS and pH meters cost in Pakistan, what the extra money buys, and how to take a reading you can trust.
Read the TDS meter guide
Guides
Resources for Water Plant Owners
Plain-language guides on TDS, RO plants, membranes, hardness and remineralisation, written from running our own RO plant.
Water filtration plant price in Pakistan
Published plant prices, the monthly running costs people forget, and Punjab's rules for filtration plants.
See setup and running costs
What is an RO plant? How reverse osmosis works
Every stage of an RO plant in plain words, from the sediment filter to adding minerals back.
Read how RO works
RO membrane and filters: types, prices, replacing
4040 and 8040 membrane prices, the filters and antiscalant that protect them, and signs a membrane is wearing out.
Read the membrane guide
TDS of drinking water: chart for Pakistan
A simple TDS chart, Pakistan's official limits for drinking and bottled water, and why a very low reading isn't always better.
See the TDS chart
RO water remineralisation: a simple guide
Why RO water needs some minerals put back, which minerals plants add, how much each gram adds, and how to check your water after dosing.
Read the remineralisation guide
Sodium, calcium & magnesium in water treatment
How calcium and magnesium cause hardness, how sodium is used in softeners and for pH, and why RO plants add minerals back.
Read the minerals guide
What is TDS in water? Meaning and full form
What TDS meters measure, their limits, WHO taste guidance, and how to use TDS to check your RO membrane.
Read the TDS guide
Which minerals does an RO plant need?
A quick comparison of calcium chloride, magnesium sulphate and sodium bicarbonate, with prices and certificates.
See the comparisonHave a question about your plant?
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