Finalit No. 4 Yellow Stain Remover (acidic)

Removes stains caused by 

  • wood, cardboard, paperboard, leaves, tannins, 
  • berries, blossoms, grass, fruit acid, leafage, 
  • tea, cigarettes, yellow stains in Carrara marble. 
  • Joint edge discolouration, residues of synthetic tempered joint sealer. 
  • For all organic stains (originating from the "Earth"). 

Can be diluted up to 1:5 with water depending on the degree of soiling. 1 litre is sufficient for 20 m²

ATTENTION: Remove any coatings beforehand using Finalit No. 5 Coating Remover! Moisten the surfaces with water before working and, where possible, apply from the bottom to the top!

Application areas:
 

  • Joint edge discolouration / residues of synthetic tempered joint sealer (residues on fine stoneware (hardness 8) in the pores, cleaning using quartz sand (hardness 6) 0.1 - 0.5 and silicon grinding brush (hardness 6)
  • Grass / fruit acid / leafage / tea / cigarettes (tobacco)
  • Wood (saw dust / cardboard / paperboard
  • Fertilizer (residual stains can be removed with No. 12)
  • Leaves / tannins / berries / blossoms 
  • Rust converter included 
  • Can be mixed with No. 8 Rust Solvent 
  • For all organic stains (originating from the "Earth") 


For all natural and artificial stones!

ATTENTION! Finalit No.4 may have a caustic effect on polished soft stone (e.g. marble, limestone)! You need to make your own tests.

  • Can be diluted up to 1:5 with water depending on the degree of soiling.
  • Generously apply the Yellow Stain Remover and allow to act for 5–10 minutes 
  • Then thoroughly rinse with water 
  • Apply Finalit No.1 diluted 1:20 with water for neutralising 
  • Allow to act for about 5 – 10 minutes 
  • Then thoroughly rinse with water 
  • If necessary, apply once more and increase the exposure time 
  • Finalit No.4 Yellow Stain Remover may have a slightly caustic effect on polished soft stone such as marble and limestone. 
  • You need to make your own tests
  • Removal of fertilizers
    Stains coming from fertilizers can be cleaned with No. 4, any remaining pigments in the pores can be bleached with Finalit No. 12 Stain Killer.