I bought a brand new Hanna checker Alkalinity

Thanks for the tip I’ll definitely do that. Yes I’ve rinsed it with tapwater but it’s completely dry now because I tried it was Yesterday morning
Thanks for the tip I’ll definitely do that. Yes I’ve rinsed it with tapwater but it’s completely dry now because I tried it was Yesterday morning
Hi all I tested Alkalinity and it shows 7.8
 
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