not necessarily a detail video, but somewhat related as to using chemicals within. for those who use coatings (or any chemical for that matter) on a regular basis (or often), please take precaution as it relates to your health...
i always rinse and squeeze out my wash mitt with water for any residual car shampoo after i'm done using them. sometimes the same mitt/microfiber towels can vary from batch to batch and degrade quicker than others (it happens). if you have done everything possible to try and remedy them with no...
checheng tool (formerly chechnya) were the first to come out with a 25mm DA years ago. it used to be a lot less expensive (pre-covid) then (iirc, around $100+ shipping), but has gone up considerably in price. you can find it now on AE for $242.36...
i use a small fireman nozzle (with shut-off valve) if i do a bucket wash without the foam gun. since it's all rubber i can drop it (not slamming hard) without worrying about it breaking (or getting wrecked) like you would with other traditional spray gun nozzles. on the final rinse i turn it all...