seals

My Fluval 32g aio tank is about a month old, and I added a lawnmower blenny yesterday. He has been picking at the seams and it is making me worried. Why are they doing this and do I have to worry about my tank seals failing? I have what looks like pieces of clear sealant floating around he has...

Hello all, What would you do in this situation? The seals seems to have bubbles and crazing on the corner of the tank. It is just a sump so I really don't care about looks but is there a structural problem? It's been set for about 2 weeks now and no issue. Just noticed it today so don't know if...