[soulster]

Advise please for the removal of chalk marks on red brick work nothing to strong in case of colour removal in brick
have scrubbed with detergent but leaves a pale whiteish wash on brick work
Any advise please

[richywilts]

sounds to me like its efflorescence coming from the brickwork this is salt working its way out the brick, try this from smartseal.co.uk

http://www.smartseal.co.uk/cleaning-products-accessories/-efflorescence-remover.htm

[richywilts]

oh haha i thought ya meant what looks like chalk!! pressure washing should do the trick