Honestly, it doesn't matter which it is. It's not going to matter to any fish you want to keep, even things like discus aren't that sensitive, but call it 7.5 if it makes you happier
Honestly, it doesn't matter which it is. It's not going to matter to any fish you want to keep, even things like discus aren't that sensitive, but call it 7.5 if it makes you happier