at the moment im using it neat but its still freezing in the shade! it normaly says in the tub e.g normal temp 50/50freezing temp 25 sw to 75 water & detergent then extreme low temps use neat this is asda screenwash by the way. £150 for about 1.5 ltrs i think
a couple of big glugs of concentrated screenwash with a bit of warm water/squeegee off.keep your mop a lot wetter than normal and soap one window at a time and blade off very fast(esp in the shade!!)
only one more day of sub zero temperatures for most of us then back to wfp and NO SCREENWASH!!!!WFP AGAIN!!YIPEEE!!!!