Water Quality
What TDS Level Is Safe for Drinking Water?
Total Dissolved Solids explained in plain language — what the numbers mean, what the BIS limit says and when you need an RO.
The Kunal Water Solution blog
Water guides
Simple, honest answers on TDS, RO maintenance, filters and choosing the right purifier — written by the team that fixes them every day.
RO Maintenance
How Often Should You Service Your RO Purifier?
A simple schedule for servicing, filter changes and membrane checks — plus the signs that your purifier is overdue.
Troubleshooting
RO Water Purifier Problems and Solutions: 7 Common Faults
Low flow, leakage, bad taste, tank not filling — the seven most common RO purifier faults, their likely causes and…
Buying Guides
RO vs UV vs UF: Which Water Purifier Do You Need?
The three common purifier technologies compared in plain language, so you buy the right one for your water.
Buying Guides
How to Choose an RO Service Centre in Pune: 7 Things to Check
Authorised vs independent, quotes, spares and warranty — what to check before you book an RO technician in Pune.
Commercial & Industrial
Commercial RO Plant Maintenance Checklist for Offices, Schools and Factories
A practical daily, weekly and quarterly checklist that keeps a commercial RO plant producing clean water.
Pune Water Guide
Pune Water Quality: Borewell vs Municipal Supply and Which Purifier to Choose
How supply sources in Pune and Pimpri-Chinchwad differ, why TDS varies and how to pick a purifier for your area.
RO Maintenance
When to Replace an RO Membrane: 6 Warning Signs
Rising TDS, slow flow and flat taste — here is how to know your RO membrane has reached the end of its life.
Water not tasting right?
Book a doorstep visit — we test your TDS and quote before touching anything.