Practical knowledge for better water-sensing decisions

Article 14 | What is Water Detective? How to Choose Between the Home and Aquarium Versions

Which parameters must be tested separately during new tank cycling: a step-by-step guide

During tank cycling, ammonia nitrogen, nitrite and nitrate must be tested separately, while TDS, conductivity, salinity, hardness, turbidity, UV254, TOC, COD and others can be screened and trend-monitored with Water Detective 4. This article provides a reproducible step-by-step guide covering sampling, measurement, interpretation of results and an action checklist.

What TDS readings can and cannot answer

TDS is the most frequently displayed indicator in water purification products, and also the easiest to misread. This article is aimed at smart small-appliance brands, product managers and hardware engineers, and, combined with the multi-parameter screening capability of AtomBit Water Detective 4, presents the questions TDS can and cannot answer, reproducible sampling steps, common interferences and an action checklist to help teams use TDS in the right places in filter management, user experience design and technical communication.

Risk communication for well water near agricultural fertilized areas: a practical checklist for rural households and on-site screeners

When using well water near agricultural fertilized areas, how to use a portable water-quality test pen for trend screening, which indicators can be checked, which must be sent to a laboratory, and when to stop drinking or refer for testing.

Before buying a water purifier, first figure out what your water lacks

A water purifier isn't better the more expensive it is — it has to match the problems in your water. Turbidity, odor, scale, and taste each correspond to different purification technologies. This article explains how to first understand your own water, then choose the right equipment, and how to verify it after installation.

Correct use of portable test results in emergencies: correcting common misconceptions

During outdoor adventures, portable water-quality test pens such as Water Detective 4 can be used for rapid screening and trend comparison, but they cannot replace laboratory testing. This article explains how to correctly interpret TOC, COD, UV254, turbidity, TDS, conductivity, salinity, hardness and temperature in emergencies, clarifies common misconceptions, and provides reproducible sampling steps, interference assessment, a decision table for retesting/stopping use/sending for laboratory testing, and an action checklist.