uneven floor

Hi All, Hoping to get everyones input on how I can resolve this wobble issue with my tank. I just recently setup my new 100g, but noticed when walking heavily/jumping near it it wobbles very easily. I'll post a video down below of just pushing it lightly and it wobbles. I don't remember the...

Hello Everyone, I live in an apartment with a badly unleveled carpet floor, which is an inch off from every side to the center. Based on advice from friends in this forum in another post, I bought and placed a 1-inch plywood board under the stand. I had to use 4 shims starting from the right...