Write the next sentence in the following story.

How to clean shower doors
Consider whether you want to use commercial, non-toxic, or homemade cleaners.
Many of the commercially available home-cleaning solutions are highly effective. They can keep your shower door, tiles and drain all sparkling and flowing perfectly.

OPTIONS: [i] The chemicals used in storing your products will eventually save an average residential home. Some brands include : Miracle cleaning tri-sodium spray varnish temperate city drain cleaned thermocast thai Vacuum your shower floor regularly.; [ii] Many companies offer products that could work as well as home service only. Operate the shower water valve to flush out the proper mixture of particular chemicals.; [iii] At this point, you should also consider whether you want to also remove the shower doors and shower doors after their wear and tear, depending on why you purchased them in the first place. Water the door by applying a deabrasive solution.; [iv] On the other hand they often contain hazardous chemicals and can cause respiratory problems (acute and chronic), headache, and allergic reactions. A number of common non-toxic materials can be used to make your own effective and safe cleaner.;. The answer should be
[iv]