Our foam toilet cleaner contains sodium bicarbonate, sodium carbonate and disodium EDTA. It can quickly break down stubborn dirt and scale. Keep the toilet clean. Effectively kills bacteria and viruses, provides lasting health protection and prevents bacterial growth. Its use is simple: 1. Pour a spoonful of this product into the toilet; 2. Wait 20 minutes for the stain to completely dissolve; 3. Finally rinse with water. Foam toilet cleaner strongly removes dirt, quickly decomposes stubborn dirt and scale, and keeps the toilet clean.