mixing quicklime, sand red brick dust - pozzalon with a garden rake, and ratio mix.
Quicklime 90 calbux tarmak 25 kg, 2x bags sharp sand frm bnq and 1 bag soft sand kiln. 3 litres of red brick dust as pozzalon. recommended is 5 litres red brick dust to this ratio, as 3 litres will be weak pozzalon. Rake got from bnq, the best!