File:S2 Ink Recovery Up Chart.png

Formula
Time to recover full tank while in kid form (seconds) = 10 &times; (1 &minus; (0.99 &times; A &minus; (0.09 &times; A)2 ) / 50)

Time to recover full tank while submerged in ink (seconds) = 3 &times; (1 &minus; (0.99 &times; A &minus; (0.09 &times; A)2 ) / (600 / 7))