Board Thread:Plants vs. Zombies Wiki discussion/@comment-26348973-20160811123340/@comment-25029082-20160812215351

The Modern Day Sharktronic Sub battle is not hard if you know how to use Plant Food on Pepper-pult with right timing and Shrinking Violet necessary zombies. I was able to complete it first try without losing lawn mowers or power-ups, though it takes a very long time.