You will need
- Decorative background;
- silicone sealant.
Regardless of how you guys fixed the background decoration, you need to clean the glass surface of the aquarium. This can be done with a sponge for washing dishes and cleaning Windows. Carefully wipe the glass to remove dust and stains.
The easiest option – stick flexible background to the back wall of the aquarium with pieces of tape. The background image need to buy a stock. It should be more from all sides a few inches. At home you can trim the background to size with scissors. Attach backgrounds to the aquarium and align it at the top. First attach the tape on the top part of the background. And then, gently smoothing out the background, glue the sides and bottom. This method of attachment has the disadvantage. Randomly appearing water drops may get into the space between the background and the wall of the aquarium. In wet locations the background to be stronger to fit the glass. This will impair visual perception of the aquarium.
A more reliable way to secure flexible background - pasting it using glycerin. You can buy it at the pharmacy. Instead of glycerin you can take any mineral oil. Pick a background and stick it with tape at one edge. Apply glycerin on the back wall of the aquarium. For these purposes, you can use a brush, but it is better to apply glycerine hands, as a brush can leave dust and lint. Missed on the wall start to gradually impose the background. With a spatula smooth the bumps and expel air bubbles from under the background. The spatula can be replaced with plastic card. Emerging at the edges of excess glycerin wipe with a dry cloth. After the procedure, attach the remaining edges of the background with tape.
The background of the more dense material can be pasted on the inner surface of the aquarium with silicone sealant. Such a background will be a long time to preserve the richness of colors due to its inertness to water. For his connection with the glass are ideal sealant for gluing aquariums.