I have just finished some tank maintanance and on plugging my filter back in it is now not working
What should i do as it is now evening and i cant even guarantee i can get to my
LFS 2moro to buy a new one.
Is this really disastourous or not? Should i expect floating fish overnight

?
I dont know what to do and the pain is i was only at the LFS today buying some live food!
I was planning on buying a new filter in the foreseeable future anyways as the one i have now is like 6years old and i now i am supposed to run them both for a month when i get it, but how do i do that now?
I have spent so long getting my tank parameters perfect, this is such a pain in the butt!
Any thoughts please mucho appreciated!
~Luce