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Water Quality & TDS calculator

Multi Purpose Calculators Productivity In-app purchases Contains ads

Estimate TDS from EC, water hardness, salinity & RO Passage instantly!

Downloads
952+
on Google Play
Price
Free
In-app purchases
Updated
Aug 12
2025 · v1.0422
Get it onGoogle Play See alternatives

Screenshots

  • Water Quality & TDS calculator screenshot 1
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About Water Quality & TDS calculator

Unlock the Secrets of Water Quality with One Powerful Calculator App! 💧

Whether you're monitoring drinking water, aquariums, RO systems, or industrial use — the Water Quality & TDS Calculator puts TDS, hardness, salinity, and RO rejection percentage right at your fingertips.

No more manual calculations or confusing charts! This smart tool helps you estimate water quality parameters with simple, accurate formulas using TDS from Electrical Conductivity (EC), salinity estimation, RO rejection efficiency, and water hardness — all in one sleek app.

🚀 Key Features:
🔹 TDS Estimator from Conductivity (EC):
Get instant Total Dissolved Solids values by simply entering EC (µS/cm or ppm).

🔹 Water Hardness Calculator:
Convert between ppm, gpg, °dH, and °fH — and instantly classify water as soft, hard, or very hard.

🔹 Salinity Estimation Made Simple:
Estimate salinity (ppt) from EC with accuracy — perfect for aquariums, labs, or RO monitoring.

🔹 RO TDS Rejection % Calculator:
Measure your RO system's performance by calculating how much TDS it removes — and spot membrane wear before it becomes a problem.

🔹 Auto Unit Conversions:
Supports multiple units for EC, TDS so you don’t have to guess.

🔹 Beginner-Friendly Interface:
No science degree needed! Designed for home users, students, and professionals alike.

🌊 Ideal For:
✔ Drinking water quality checks
✔ Aquarium & fish tank management
✔ RO system maintenance
✔ Industrial and lab use
✔ Environmental studies and water testing education

🎯 Why Choose This App? Because water quality matters — and with the Water Quality & TDS Calculator, you can make fast, informed decisions using smart estimations.

Disclaimer:
The TDS calculation is an estimate and may vary based on water composition. For precise measurements, laboratory analysis is recommended.
Water hardness values are approximate. For accurate results, consider professional testing.
Salinity estimations are based on conductivity readings and may not account for all dissolved substances.
RO TDS rejection rates can vary based on system conditions and water quality.

📥 Download now and become your own water quality expert.
Simplify your water calculations. Optimize your water systems.
💧 Your water, your control. 💧

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