About Red Sea test kits...
Some of the provided syringes have red tips, some have blue. And on the instruction cards, some show red tips, some show blue and others show black tips.
Is the tip color relevant or can I use any color tip?
Some of the provided syringes have red tips, some have blue. And on the instruction cards, some show red tips, some show blue and others show black tips.
Is the tip color relevant or can I use any color tip?



