Inca Piperazine Solution is for the effective, safe and economical removal of Round Worms (Ascaridia Galli) in poultry and pigeons; Round Worms (Ascaris suum) and Nodule Worms (Oesophagostomum spp) in Pigs. Simply add to drinking water for 24 hours. No fasting necessary. Active constituent: 172.5 g/L piperazine anhydrous.