Glass panes, furniture and equipment
Depending on the water hardness and the application method, the recommended dilution ratio varies from 1% to 5% (10 to 50 ml per 1 L of water). H521 can also be applied undiluted.
Piter22
Nie ma koloru w roztworze i trzeba robić 8% żeby nie było smug... ale wtedy jest niezastąpiony!