Test Kits which one to use

[Ruffoj926]

[QUOTE=spinsonic;20769033]

Originally Posted by yogoshio

Hanna calcium was the worst investment I made. I've worked in chemistry labs for years, and I use my own micro-pipettes, and every single test is inaccurate with the Hanna calcium. Their alk and phosphates are dead on, and its not just my batch of reagents. I've gotten different kits and its always the same thing. One the same draw of tank water I'll get 6 different results, ranging from 420-600. It may give down to 1ppm, but its an incredibly inaccurate piece of equipment.

Good to know... guess i'll skip on hanna ca and alk checker. thx

No, wrong conclusion. Their calcium checker is bad, but their alkalinity checker is awesome.