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Recent content by Richardcavell
The friendliest place on the web for anyone with an interest in aquariums or fish keeping!
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Hi.
https://youtu.be/4p5c3BCZtdc
I placed this water tester in some tapwater (northwest England) which went through a Brita filter.
I believe that it measures pH, then electrical conductivity, then total dissolved solids in parts per million, then salt in parts per million. But when I switch...