Dychem's ACID DeScaler, rust remover, rapidly dissolves lime stains, efflorescence from brick and mortar cleaner.
Descaling acid, Rust remover for stripping metal quickly.
NEW Telephone No. 01555 892929
Same original formula, Now sold labelled "RUST-OFF"
available to buy online in 5 ltr or 25 ltre drums
https://www.dynamic-chemicals.co.uk/rustoff-descaling-acid-rust-remover-brick-cleaning-acid