   if (now.dayOfTheWeek()== 4){//"thursday"
   normalsequence();}
   if (now.dayOfTheWeek()== 5){//"Friday"
-  normalsequence();}
+  fillup();}
   if (now.dayOfTheWeek()== 6){//"Saturday"
   weekend();}
   if (now.dayOfTheWeek()== 0){//"Sunday"

  }
  digitalWrite(stir, LOW);
}

  aeration(15, 4);
  rest(45);
}
void normalsequence(){//24 hrs
  DateTime now = rtc.now();
  realstarttime = now.unixtime();
  if (tank<23){
    fillup();
  }
  now = rtc.now();
  delay(2000);
  aeration(240, 24);
