a very important question :
when the electricity is cutting off,
then the (filter,air pump,lighting,heater,etc...) will turn off,
anyway we don't know when the electricity coming back.....
what should we do in this case?
and how?
when the electricity is cutting off,
then the (filter,air pump,lighting,heater,etc...) will turn off,
anyway we don't know when the electricity coming back.....
what should we do in this case?
and how?