GGIII
Aquarium Advice Apprentice
Yep... That's right. For whatever reason, my Master Test Kit reads nothing. 0. Zip. Nada. It worked when I first used it (2 days ago) but when I went to do a test today, all of my results (Ammonia, Nitrate, and Nitrite) came back perfectly clear.
Any ideas as to what I'm doing wrong?
Any ideas as to what I'm doing wrong?