Phosphoric Acid Cleaner Spirit

Spirit Hard Surface Seal

A safe to use acid cleaner designed to remove grout residue for newly tiled surfaces. It also is very effective at removing rust, efflorescence & hard water deposits.

Features + Benefits

  • Heavy duty acidic cleaner
  • Highly concentrated with added detergents
  • Breaks down grout haze and mortar residue
  • Made from safe food grade acids
  • Safer than hydrochloric acid, no fumes


Where to use

  • Some natural stone surfaces such as Granite, Basalt & Sandstone
  • Terracotta, Tessellated tiles
  • Ceramic tiles, porcelain & grout joints
  • Clay bricks & pavers


Method of application

1.Mix Phosphoric Acid cleaner with clean water to the desired strength(follow instructions on the back of the bottle carefully.

2.Wet the area to be cleaned first.

3.Allow to stand for 1-2minutes keeping the surface wet with the cleaner.

4.Now scrub the surface vigorously with the appropriate grade nylon scouring pad or bristle brush.

5.Rinse well with Neutral Cleaner at a dilution rate of 20 parts clean water to 1 part Neutral Cleaner to neutralize any residual acid solution.



This product is classified as 'Dangerous Goods' or 'Fragile' or 'Over-sized' and must be prepared and shipped in accordance with special shipping conditions / regulations. This product is available via:

1) 'Pickup In Store' from our store in St Peters, NSW or

2) 'Local Delivery' within 30km radius from our store in St Peters, NSW 


 Alternatively contact us at to arrange special 'Dangerous Goods shipping' or ‘Oversize Goods shipping’ to your location.