WARNING: When the product comes into with hot water, an effervescent reaction occurs. Avoid of reaction droplets or the product with skin or eyes. Always use gloves. Instructions for use: 1) Add product according to the volume of buildup to be dissolved (for food buildup add 40 grams; for unclogging toilets or main pipes add up to 200 grams). Then leave for 5 minutes to act and rinse thoroughly with clean water. For heavy blockages, rinsing with hot water is ed. 2) If drainage does not occur, repeat the operation. For larger blockages, increase the action time to dissolve the debris. Surface Cleaner