Penn Plax Bubble Wall Aquarium Airstones at Linens 'n Things

On June 16, 2011:
I have a few of these connected to create a wall just short of 60 inches. My air pump connects to each end. I put this wall into my tank in December and it worked fine and looked ok. It created a lot of small bubbles that irritated my fish. So I buried it in the substrate of my tank. This made the bubble nice and big. It created a great effect. Now the wand barely puts out any bubbles. I poked new holes in it, as the instructions said to do, and it worked for a week. I even rotated it so the bottom of the wall was now on top. Nothing is going to make this wall the way it was before. I am looking to replace it immediately. I have another bubble wand that I got a year ago that doesn't have any problems at all.