What happens next in this paragraph?

How to do a water change in a freshwater aquarium
Pretreat a bucket of tap water.
Get out a clean bucket and fill it with water directly from the faucet. Follow the instructions on your water conditioner bottle and pre-treat the water prior to cleaning.
Available choices: (1). The water conditioner should contain the following ingredients, and the conditioner should also be mixed with fresh water when it's time to clean your tank. Chlorine bleach borax sodium carbonate ammonia chloride glycerin Fill the bucket with water. (2). Remove as much water from the bucket as possible. Feel as if you are getting a bit of a shock from the water. (3). The conditioner will make the water safe for your fish by removing dangerous chemicals and metal residue. Go ahead and keep two plastic buckets, specifically for your aquarium use. (4). Usually, you should use natural cleaning methods on the bucket. However, you will also need to use your own tap water to clean your fish tank.
(3).