Application: It can be poured directly into a blockage or mixed with water (1kg into 3 liters of water) and poured down the drain.Speed: It typically works within 5 to 10 minutes for standard clogs, though tough blockages may require up to 30 minutes or overnight.Compatibility: Safe for use with PVC and stainless steel equipment, but it should not be used on aluminum or brass, as it can cause damage.