Stuff For Drop Checker

[julia298]

This is the drop checker i bought off ebay. it comes with a little bottle of something.

Is this bromothymol blue - I assumed bromothymol blue IS BLUE??? This stuff is red.

 

[julia298]

***bump***

anyone know?

 

[Truck]

bromo blue is a low range PH solution, mine is blue (my low range)