Hanna copper HR test kit

Thomashtom

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Hi When using copper power should I be using high.range or low range tester or reagents when using the Hanna HR test kit? Thanks
 
Hi When using copper power should I be using high.range or low range tester or reagents when using the Hanna HR test kit? Thanks
The HI702 high range tester and the high range reagents as well.
 

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