Additional piece?

[needbiggertanks]

Does anybody know what the additional 1"x1" piece of plastic with the sticky tape is for? It was taped to the inside of the outer overflow box.

Thanks in advance

 

[mixer911]

@needbiggertanks it is used as a "key" to remove the weir.

 

[needbiggertanks]

Thank you. Im such an idiot. That makes it much easier! Sorry

 

[mixer911]

Thank you. Im such an idiot. That makes it much easier! Sorry

No problem. A lot of people miss that.