Wow! I like the digital tester on the page about water values you linked to! Pity they don't say where to find it...
Computer connected test
![](/image/2016/12/14/digitale_watertester.png%28mediaclass-landscape-large.1df3d6f438769113d26ed8577bc84d61afea2a7e%29.jpg)
Digitale watertester - http://www.aquariumzoeken.nl/waterwaarden
Digitale watertester - http://www.aquariumzoeken.nl/waterwaarden
Wow! I like the digital tester on the page about water values you linked to! Pity they don't say where to find it...