Information
Water Quality Parameters Guide
Understand aquarium water-quality readings in context and respond with controlled, species-appropriate changes. This English guide covers temperature, pH, TDS, EC, salinity, specific gravity, ORP, filtration, biological media, ammonia, nitrite, nitrate, and the nitrogen cycle.
Download the English guide
Download the Water Quality Parameters Guide (PDF, English edition v1.0, 24 pages)
The guide includes a quick-reference table, calibration and probe-care questions, interpretation guidance, troubleshooting steps, and a repeatable monitoring workflow.
What you will learn
- How temperature and pH affect aquarium conditions.
- How EC, TDS, salinity, and specific gravity relate.
- What ORP can and cannot tell you.
- How filtration and biological media support water stability.
- How ammonia, nitrite, and nitrate fit into the nitrogen cycle.
- How to confirm unexpected readings before making a change.
Use the guide safely
This guide is educational. Recommended ranges depend on species, life stage, source water, temperature, salinity, stocking, and measurement method. Follow the manual supplied with your exact monitor and probe for calibration, cleaning chemistry, storage solution, maximum immersion depth, and power requirements.
Do not dose chlorine, ozone, peroxide, acids, alkalis, or mineral salts from a single ORP, pH, TDS, or EC number. Confirm the relevant parameter directly and make changes gradually.
Related learning
- What Is pH?
- What Is EC?
- What Is TDS?
- EC vs. TDS vs. Salinity
- What Is ORP?
- Aquatic species monitoring library
Compatible monitoring resources
- 7-in-1 WiFi RS485 aquarium monitor support
- 7-in-1 WiFi water monitor support
- 8-in-1 RS485 water-quality probe support
English edition v1.0. Reviewed August 1, 2026.