On the subject of beautifying your custom fish tanks bear in mind the interests of your fish should come first. It doesn't really matter if the colour scheme inside the tank matches your couch or other interior design. What matters is always that your fish are properly looked after. Beautifying an aquarium is generally an enjoyable encounter.
Your local fish retailer is a good place to start when it comes to deciding what to put in your custom fish tanks. The kind of fish you possess or want to own, like freshwater or marine, can have an effect on your decisions as will the size of the fish tank as well as your budget. Some fish like to hide in rocks and gaps so if you are going to get these types of species it is advisable to consider buying some appropriate rocks and/or coral in your tank. The selection of stones you utilize will depend to some extent on your water supply. Limestone, Coral and some shells are only suitable for use with hard water and are better put into a marine tank.
You may also like to include some wood to the fish tank. You need to proceed with care if this is the case as wood may release poisons into the water. Some people may let you know that you can varnish the wood to prevent this happening but it can be very hard to cover every part of small wooden pieces. If you do choose to go ahead purchase from an established dealer and never use driftwood that you find on the river bed or sea shore as it can contain parasites.
If you are going to buy fish that like to explore underwater caves you may want to purchase some barnacle clusters. Otherwise you can use clay plant pots to decorate the custom fish tanks and keep your fish joyful as well.