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Hello all,

Tried my hand at using 4dKH solution and bromothymol blue for my drop checker. I added several drops, however the color spectrum is nowhere close to the yellow/green/blue spectrum. It's more magenta/pink.

Any tips on what I'm doing wrong? Thanks
 

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It's either not bromothymol blue or you put it in concentrated hydrochloric acid. It has a pink form at extremely low pH.
Are you using phenolphthalein accidentally?
 
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