Citrizyme Enzyme Powder, 250 Unit-Dose Packets. Fast-acting dual enzyme formula that quickly removes proteins & carbohydrates associated with inanimate organic material or deposits. Leaves no residue with a premium non-foaming formula that dissolves instantly in warm tap water with no mixing required. Fresh citrus scent & color. Ultra Concentrated Enzyme Powder Unit-Dose Packets. 250 Unit-Dose Powder Packets, each makes a 1/2 gallon. Good for 500 treatments. Multipurpose enzyme-based cleaning powder. Presents a highly soluble composition without the need for mixing.