Practical knowledge for better water-sensing decisions

Article 第2篇 | Which water quality test pen is good? How to compare TDS pens, multi-parameter pens and AI test pens

What Testing Is Needed for Ammonia, Nitrite and Nitrate: Correcting Common Misconceptions

This article is aimed at household aquarium and fish-keeping users. It corrects common misconceptions about testing for ammonia, nitrite and nitrate, explains the role boundaries of general-purpose multi-parameter screening pens (such as the AtomBit Water Detective 4), and provides a reproducible workflow for sampling, measurement, interpretation, retesting and deciding when to refer to a laboratory.

Article第3篇｜How to test water quality at home? Complete steps for self-testing tap water at home

Daily screening after tap water reaches the household: a decision framework

For smart water appliance product managers and hardware engineers, centered on the nine screening indicators of Water Detective 4, this builds a daily screening decision framework for tap water after it reaches the household, clarifying the boundary between screening and identification, sampling steps, result interpretation, interference factors and conditions for referral to the laboratory.

Article 4 | How to test water purifier filter effectiveness and when to replace the filter