I already have a 20 gallon aquarium. I have done a lot of research and have read a lot of different things. Is there anyone who has experience with them?
A huge disadvantage is that there may be asbestos in it. Asbestos causes cancer and disease. On the other hand, vermiculite is a light-weight, fire-resistant, and odorless material and has been used in numerous products, including insulation for attics and walls. As long as it is not contaminated with asbestos, it is a safe and very effective insulator.
It depends on many factors
