How to change test to blue/grey scale to see line more clearly?

Sarah

I've seen a lot of people post additional photos that are edited and put into blue/gray that you can see the line a little clearer.. can anyone tell me how to do this? Thankyou!!😘

Glow Resources

Let’s Glow

Glow is here for you on your path to pregnancy

Glow helps you navigate your fertility journey with smart tools, personalized insights, and guidance from medical experts who understand what matters most.

25+ million

Users

4.8 stars

200k+ app ratings

20+

Medical advisors