Add dechlorinated water to the tank. Next, add the salt and make sure it is mixed until the specific gravity measures 1.205. After the water and salt are added, arrange your live rock as desired and install the heater and the hood of the tank. After doing these things, you must then wait 4 weeks to move ahead. Hermit crabs and snails are known to be the clean up crew, and can make a huge difference in your saltwater aquarium if you have enough of them. You will also need to buy a scraper or a scratch pad to clean the glass. A regular cleaning tool will not be strong enough to remove the algae from the glass. It is important to mimic the type of food that a fish would typically eat in the ocean. These foods can be purchased in flake, tablet, or frozen forms. In addition, there are vitamins that can be added to the foods to replace any nutrients that may have been lost in the freezing or drying processes. Just as we humans don't like to eat the same thing every day, neither do fish. As their name suggests they simply float in the tank they do not need to be anchored and will not usually require fertilizer. The only regular care required is to make sure that water droplets are not regularly deposited on the leaves, as this will cause decay. Water lettuce and Lily pads are examples of floating plants. Plants need clean and clear water to survive best in, so proper cleaning and maintenance should be performed on the aquarium. Most plants will not survive if there is too much debris or waste in the water, so keeping up with cleaning is essential. Once your plants are established in a clean, well lighted tank, you must care for them by making sure they receive the nutrients required for healthy growth. It's all up to you in regards to d cor. Be sure to buy a net, an algae scraper and conditioner for the water. If you choose to have a tank with lighting, that is ok, just be aware of the problems it may cause. By adding light to the tank, you are also adding heat. Algae thrives on heat. Though a light won't harm your tank, it may add to algae growth.