Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean a hot tub cover [title] Remove the cover from the hot tub. [step] Release any locks and, if your model has a lifting arm, unfasten the cover from it. Take the cover off of the tub and lay it down on a flat surface, like a deck.

Ending1: Make sure you lay it within easy access of a garden hose. [title] Rinse the cover with a hose. Ending2: As part of cleaning the cover, you'll need to remove the dishes, towels, and anything else connected to the cover. [title] Soak the cover with isopropyl alcohol for at least 30 minutes. Ending3: Hammer each corner of the cover, flattening them out by about an inch, and gently crimp them down with pliers. [substeps] Make sure to rest your fingers or a thick towel on the cover to prevent dents and scratches. Ending4: Unscrew or tighten any gates or screws that might interfere with the removal of the cover. [substeps] You may wish to use a hand-held hose or other bristled head tool to clean the cover.

Answer format: ending1/ending2/ending3/ending4