You've come to our website, which offers answers for the Brain Test 4 game. This webpage with Brain Test 4 Help Worry before he drowns in his own lab answers is the only source you need to quickly skip the challenging level. This game is made by developer Unico Studio, who except Brain Test 4 has also other wonderful and puzzling games.
A big sponge would suck all of the water. Open the cabinet to find a sponge. Drag the sponge at the growth machine.