1. Grind citric acid for 5x5 sec. 2. Mix the citric acid powder with the rest of phase A. 3. Melt the pasty components of phase B (35-40°C), then add phase C. 4. Mix phase A and phase B/c until the mixture looks and feels like "wet sand". 5. Press into desired shape, than place the Shower Explosion in the freezer (10 min). Remove from mould.