A glasses bath is recommended for cleaning your glasses. LA products. KLAR are precisely tailored to care. For intensive cleaning, fill the glasses bath cup with water up to the lid. The appropriate La Klar cleaning concentrate is placed in the dosing cup as directed. The cleaning process is completed after approx. 10 minutes. Rinse the glasses with clear water and also clean them with a suitable microfiber cloth. LA Klar glasses bath as a set with mug and La. Clear Sonic + 150ml cleaning concentrate.