I washed everything at 30 °C with liquid detergent just to cut my energy bill: two years on, opening the door, I understood what had been building up in the seal
Cutting energy costs by washing everything at 30°C seemed smart until a closer look at the door gasket revealed a thriving black mold colony. The combination of cold temperatures, liquid detergent residue, and front-loader design creates a perfect breeding ground for fungi—and the problem transfers directly to your clothes.