I need help!!

Hi, Just wondering if someone could help me with my little light problem!

The other morning I found one of the halogen light bulbs at the bottom of my edge tank. The metal prongs had broken off. I bought a new bulb and went to replace it, however, there is a white like cardboard circle that you put the light into and mine has disintergrated (it is sliver on the other side). Can anyone tell me how I can replace this missing bit of card.

I hope someone knows what I mean and can help me!!

Thanks in advance

These are the bulb connectors which I imagine have corroded due to condensation. They're only a few pounds to replace. If your tank is still within its warranty I would suggest returning it to the store where you purchased it from.