Ooops!Want a good laugh at my expense?
Well, my wonder man came and I went to show him how low the fluid was in the container - below the lowest line - " Those lines, my dear, are part of the pattern on the bottle. Come this side and you will see the marked high and low marks here."
Oh dear!
Like Napoleon, bet you felt a right tit!!
Still at least looks like you may have no problem at all!!!