Trinity Fluids pre-injection formulas are designed for those unique situations that every embalmer faces. There are many products on the market today designed to do only one task. Depending on the interval between death and embalming—you might need multiple products. Why not spend your money on one product that takes the place of several expensive low volume products? PI3N1 is formulated to dissolve heavy blood clots, remove blockages and lubricate capillaries to improve embalming circulation and penetration. PI 3N1 is a humectant that can be also be used to breakdown hard water deposits caused by well water and in rural area water systems.