   lcd.setBacklight(VIOLET);
   measurevol();
   lcd.setCursor(0,1);
-  lcd.print(tank);
+  lcd.print(tank);lcd.print("gal  ");
   float starttime = millis();
   delay(100);
    while ((millis()-starttime)<longt){

    digitalWrite(decantpump, HIGH);
    measurevol();
    lcd.setCursor(0,1);
  lcd.print(tank);
  delay(10000);}
    digitalWrite(decantpump, LOW);
}

  delay(100);
  while (((millis()-starttime)<airduration)&&(tank>lvl)){  //2 min
    digitalWrite(air, HIGH);
    int timedisplay = round((airduration-(millis()-starttime))/60/1000);
    measurevol();
    lcd.setCursor(0,1);
    lcd.print(tank);lcd.print("gal  ");
    lcd.print(timedisplay);lcd.print("min  ");
    delay(20000);}
    digitalWrite(air, LOW);
}
