Phosphoric-acid descaler concentrate (≈ 32 % w/w). Rapidly removes limescale, rust and mineral deposits; safe on stainless steel and ceramics.
This clear descaling liquid is based on food-grade phosphoric acid buffered with corrosion inhibitors, providing aggressive scale removal while minimising metal attack. Typical pH (neat) ≈ 1.5. Apply neat for heavy calcium build-up or dilute up to 1 : 20 for maintenance descaling. The formula dissolves kettle scale, boiler fur, urinal stone and rust stains, rinsing residue-free with water. Not suitable for marble or other acid-sensitive substrates. Supplied in a 5 L HDPE jerrycan with tamper-evident cap and integral grip; batch and expiry information printed on shoulder. Conforms to REACH requirements and contains no hydrochloric or sulphamic acid.