Forgot to buy a check valve for air pump
Should have done my research before hand.
I bought an air pump and air stone and tube. Forgot to get a Check valve.
I have set it up already and it's working. I have the pump sitting on the lid above the tank. 2 metre tube.
Will pick up a check valve tomorrow. Will it be okay overnight?
I take it it's best to leave it turned on at night to prevent siphoning back up through the tubing. I planned to turn it off at night.