   digitalWrite(en1, HIGH);
   lcd.begin(16, 2);
    if (! rtc.begin()) {
-    lcd.print("Couldn't find RTC");
+     lcd.print("Couldn't find RTC");
     while (1);
   }
 

}
}

//calls stepper function abovre to remove sludge automatically
void sludgeremoval(){
  stepper(6400,1,2);//fills up tube. revolutions, 1st motor, "empty" dir
  stepper(1250,1,2);//empties(was 2500 steps, now 1250). revolutions, 1st motor, "empty" dir


void fill(int lvl, int airadd){//check depth and fill until level is 25gal plus stir
  if (lvl<19){
    digitalWrite(stir, HIGH);//high turns that pin on (if it is set to output), low turns it off
  }
  lcd.clear();
  lcd.setCursor(0,0);
