Nigoodman
Aquarium Advice Activist
Im a girl so I know I'm not color blind but i really can't tell if this is yellow. I know im towards the end of my cycle but I need to know if this is yellow before i switch my sub.
0.25 ppm
So difficult to read sometimes as you 'want' it to be yellow you start convincing yourself it is yellow. Best way to check is by holding it flat in your hand. Get a bottle of drinking water and test that for ammonia then test yours again. Hold both test tubes flat in each hand. You can then see what the yellow test looks like and you will notice that yours is actually green.