Coffee machine cleaning powder represents a versatile, professional-grade alternative to tablets for maintaining espresso machines, drip brewers, and super-automatic systems, delivering a potent blend of surfactants and alkaline agents that dissolve coffee oils, residues, and limescale without disassembly. Brands like Urnex's Cafiza and Puro powders excel in backflushing group heads and valves, ensuring clear screens and optimal flow while rinsing residue-free to prevent off-flavors in brews. Eco-conscious options, such as Full Circle's biodegradable, phosphate-free formulas or Biocaf's non-toxic variant, cater to home users by safely soaking portafilters, carafes, and steam wands, with users noting no toxicity risks beyond mild irritation. For best results, mix one scoop (typically 1-2 grams) with hot water per cycle, run through the machine monthly, and follow with plain rinses—extending equipment life and restoring that perfect crema in every shot.