Yes! I saw that too, not sure where did it come from? I do 20% wc weekly (tap water with conditioner). Attached is the test kit I use for Po3/4 measure. Not sure how to read absolute. It's this normal?
Hi all, I'm new to this forum and new to marine tank. This is my first post and apologies if I'm not posting it correctly. To start off with, like to share my 1.3 ft Nano tank. Looking at upgrading soon