Hi,
Found this thread looking to find out the same thing; how to remove the ugly internal filter without damaging the tank. I figured it should just be a case of sliding a long stanley blade down the side and slicing through it but that depended on whether it was silicone glue or a harder epoxy, knowing it's silicone is a bit of a relief.
I've just redone my tank recently, here's how it looked just after setting it up;
And a month later, plants are getting a bit lively;
If anyone has figured out a solution to the green sludge that builds u
