When it comes to painting your tank decorations and back glass, it's essential to prioritize the safety and well-being of your aquatic inhabitants. Krylon Fusion is indeed a popular choice for spray painting aquarium decorations because it is designed to adhere to various surfaces, including plastics commonly used in aquarium ornaments. However, it's crucial to note that even after curing, there may still be some potential risks associated with using painted decorations in your tank. It's recommended to thoroughly research the specific paint product you plan to use and ensure it is labeled safe for aquarium use.
As for painting the back glass, matte black is a popular option as it provides a sleek and professional look while reducing glare. Whether to spray paint or roll the paint onto the glass is a matter of personal preference. Both methods can achieve satisfactory results, but it's important to follow the instructions provided by the paint manufacturer to ensure proper application and curing.
Overall, always prioritize the safety of your aquatic pets by using paints and materials specifically designed for aquarium use. Conduct thorough research, consult with experienced aquarium hobbyists, and consider alternative options such as aquarium-safe backgrounds if you have any concerns about the potential risks associated with painted decorations.