[richyp]

Hi can anyone  recommend  a  chemical for lifting dirt on block paving.. thankyou

Richy

[nathankaye]

Hi rich,
I'll give you a clue, as with as many posts as yours im sure you will have come across the answer your looking for on here.
The clue is
Yeehaa!!
😁

[Mike Halliday]

When I saw This post I didn't  answer as it might have looked sarcastic, but often the only chemical needed  is water at a high pressure, this gets rid of 100% o the dirt what remains like black spots will need a chemical (people usually use hypo)

[Smurf]

Ask Kev how to do it the right way