About this item 
✅ Non-Caustic Formula. COVERAGE: Approx 5 sq.m per litre depending on porosity of the surface to be treated. 
✅ Fast Acting ; Acts directly onto the surface to be treated, removing stains in just 15 minutes. 
✅ For Interior & Exterior Use. Removes surface rust stains. Non-acidic formulation, it is particularly suited for delicate applications such as polished marble. 
✅ Emulsifying Pads are available on Amazon under ASIN;B08HGY76FP or ASIN B00H1QQ3FM link; https://www.amazon.co.uk/s?k=B00H1QQ3FM&ref=nb_sb_noss. For LTP Cleaning, Sealing or Application Tools see Asin B08HH2ZJ6S or copy and paste this link in your browser ; https://www.amazon.co.uk/dp/B08HGYZ9PC/ref=twister_B08GLBDCPM?_encoding=UTF8&th=1 
✅ Rust stains are one of the most difficult marks to remove from stone paving slabs. They’re generally caused by metal objects – furniture, firepits, BBQ’s, garden tools, pots and parasol stands are common culprits. Contact with water washes deposits of iron particles onto the pavers which then leave a rust stain. Some weed killers also contain ferric sulphate which can cause rust stains. LTP also do Acid based stone cleaner; LTP Ferrex at ASIN; B08DYGMVG1 
✅ KEEP UPRIGHT in a cool dry place. Shelf Life – Up to 2 years for un-opened containers. Once opened use within 6 months of purchase for optimum results.