   lcd.print("start!");
   lcd.setBacklight(WHITE);
   delay(5000);
+  lcd.clear();
+  lcd.setCursor(0,1);
+  measurevol();
+  lcd.print(tank);
+  measurevol();
+  lcd.print(tank);
+  measurevol();
+  lcd.print(tank);
+  measurevol();
 }
 uint8_t i=0;
 void loop() {

  measurevol();
  lcd.setCursor(0,1);
  lcd.print(tank);
  int starttime = millis();
  while ((millis()-starttime)<60000){//1min
    digitalWrite(skimmer, HIGH);}
    digitalWrite(skimmer, LOW);
}
void decant(){ // empty through decant pump checking volume
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("Decant ");

  measurevol();
  lcd.setCursor(0,1);
  lcd.print(tank);
  float starttime = millis();
 while (tank>level){
    digitalWrite(decantpump, HIGH);
    measurevol();
    lcd.setCursor(0,1);
  lcd.print(tank);}
    digitalWrite(decantpump, LOW);
}
void rest(float longt){ //everything off except maybe stir
  longt=longt*60*1000;
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("REST ");
