Water knowledge
Understand the water before choosing the machine.
Learn how reverse osmosis works, which contaminants require exact evidence, what Malaysian households should check and how to keep a purifier performing properly.
Start here
Three useful first questions.
Which water should I drink?
Compare boiled, mineral, RO, alkaline and hydrogen-rich water by the job each one actually does.
Read comparison → Choosing a systemPurifier or dispenser?
Understand the difference between changing the water and simply dispensing it.
Read guide → RO fundamentalsWhat is reverse osmosis?
How a dense membrane, pressure and multiple treatment stages work together.
Read guide → MalaysiaWhy consider RO in Malaysia?
Match the treatment method to your source, building, installation and maintenance needs.
Read guide →Water concerns
Understand what you are trying to reduce.
What are PFAS?
What they are, why exact reduction evidence matters and what a result can mean.
Read guide → ParticlesWhat about microplastics?
Where the evidence is clear, where it remains uncertain and what treatment may do.
Read guide → Local contextMalaysian tap water
Separate official supply standards from storage tanks, internal plumbing and the exact tap.
Read guide →RO & treatment
Technology, explained plainly.
Every filter type compared
Pitcher, faucet, countertop, under-sink and RO systems serve different purposes.
Read guide → RO fundamentalsAre minerals in water essential?
See why food normally supplies most calcium and magnesium and where taste fits.
Read guide → Velta technologyFrom source to glass
See how Velta describes PureFlow, MembraneGuard, FreshPath and SmartCare.
Explore technology →Care & ownership
Purity depends on upkeep too.
Is the purifier working?
Use reminders, documented checks, output and everyday performance—not guesswork.
Read guide → ProductsCompare Velta purifiers
Compare installation, output, footprint, routine, warranty and current prices.
Compare models → SupportService and filter care
Find product-specific support rather than applying one maintenance rule to every machine.
Get support →