Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to prevent mildew on a shower curtain [title] Use a shower curtain or liner with a smooth, consistent surface. [step] Shower curtains with raised or etched patterns may allow moisture or water to collect in certain areas; whereas a smooth curtain will allow water to glide down into the drain. [title] Ventilate your bathroom during and after your shower.

Ending1: [step] This procedure will help your bathroom dry at a faster rate and help eliminate moisture buildup. [substeps] Open the window in your bathroom or turn on the ventilator fan to help remove excess moisture. Ending2: [step] This will help to prevent mildew from developing that will infect your shower curtains and shelves as often as possible. [title] Schedule an appointment with a plumber or bathroom contractor. Ending3: [step] Since mildew spores thrive in poorly ventilated spaces, never place a shower curtain in an unventilated area. Therefore, do not bring a shower curtain into your home that must be covered or can be ventilated. Ending4: [step] Using a shower curtain or liner can do wonders in keeping your shower clean and humid. [title] Opt for a shower curtain to prevent mildew from forming as a result of improper heating and drying methods.

Answer format: ending1/ending2/ending3/ending4