Product
Duda Energy Fine Grain Pure Citric Acid
High-grade fine crystal citric acid suited for precision appliance descaling, dishwasher cleaning, and hard water removal.

Sizes and packs
- 5 lb — Tub
Guides that use Duda Energy Fine Grain Pure Citric Acid
- How to Remove Rust Stains from a ToiletDissolve stubborn iron and rust streaks in toilet bowls using citric acid or distilled white vinegar without scratching vitreous china porcelain.
- How to Remove Hard Water Stains from a Bathroom SinkDissolve chalky mineral deposits and crusty limescale rings around bathroom sink faucets and drains using mild distilled white vinegar or citric acid.
- How to Remove Hard Water Stains from a DishwasherDissolve chalky limescale film, unclog spray arm jets, and restore stainless steel interior luster using citric acid or distilled white vinegar hot cycles.
- How to Remove Rust from a Kitchen SinkDissolve stubborn rust rings from wet cast iron pans or rusty cans on stainless steel, porcelain, or composite sinks using baking soda and citric acid without surface scratching.
- How to Remove Hard Water Stains from a ToiletDissolve stubborn calcium lines, mineral crust, and limescale rings at the toilet bowl waterline using citric acid or distilled white vinegar.
- How to Remove Mold from a Washing MachineEradicate hidden black mold colonies, slimy detergent residue, and musty odors from washing machine dispenser drawers, drum baffles, and drain filters using citric acid and hot water cycles.