I used this high pressure hose: Super .... I give a better opinion of drain hose to another magical unblocker order and I have not used yet, and I also buy your . site "" Now I'm super equipped, I can get into the pro uncorking "" now I kidding, that n (not the case there are some jours.Maintenant everything is back to normal, my double sink trays, evacuation washing machine and dishwasher, everything flows like the first day "" there are more than thirty years "".