Turning Water into Slime Glibbi Slime can be used anywhere, but it only reacts with water. You can not only experience Glibbi slime fun in the bathtub, but use it in a bowl or bucket depending on availability. Tip First fill in less water (approx. 20 litres). Add all of the slime powder. Wait 5 to 10 minutes and then add more water until the mass reaches the desired consistency.