     digitalWrite(decantpump, HIGH);
     measurevol();
     lcd.setCursor(0,1);
-  lcd.print(tank);}
+  lcd.print(tank);
+  delay(7000);}
     digitalWrite(decantpump, LOW);
 }
 void rest(float longt){ //everything off except maybe stir

  lcd.print(now.unixtime());
  lcd.setCursor(0, 1);
  lcd.print(millis()/1000);
delay(100);
  uint8_t buttons = lcd.readButtons();

  if (buttons) {
    lcd.clear();
    lcd.setCursor(0,0);
    if (buttons & BUTTON_UP) {
      lcd.print("UP ");
      lcd.setBacklight(RED);
    }
    if (buttons & BUTTON_DOWN) {
      lcd.print("DOWN ");
      lcd.setBacklight(YELLOW);
    }
    if (buttons & BUTTON_LEFT) {
      lcd.print("LEFT ");
      lcd.setBacklight(GREEN);
    }
    if (buttons & BUTTON_RIGHT) {
      lcd.print("RIGHT ");
      lcd.setBacklight(TEAL);
    }
    if (buttons & BUTTON_SELECT) {
      lcd.print("SELECT ");
      lcd.setBacklight(VIOLET);
    }
  }
  lcd.clear();
  lcd.setCursor(0,1);
  measurevol();

  lcd.print(tank);
  //write conditions for running sequence here and add functions
  while (x<1){
    normalsequence();
    x++;}
  }
void weekend(){
  aeration(15, 4);
  rest(45);
}
void normalsequence(){
  DateTime now = rtc.now();
  starttime = now.unixtime();
  //fill(10);
  now = rtc.now();
  starttime = now.unixtime();
  //fill(13);
  now = rtc.now();
  starttime = now.unixtime();
  fill(16);
  now = rtc.now();
  starttime = now.unixtime();
  fill(19);
  now = rtc.now();
  starttime = now.unixtime();
  fill(22);
  now = rtc.now();
  starttime = now.unixtime();
  fill(25);
  now = rtc.now();
  delay(5000);
  aeration(240, 24);
  delay(5000);
  settle(60, 24);
  delay(5000);
  skim(60);
  delay(5000);
  settle(120,24);
  delay(5000);
  decant(6);
  delay(5000);
  //rest(5);
  delay(5000);
}
void fill(int lvl){//check depth and fill until level is 25gal plus stir
  digitalWrite(stir, HIGH);
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("FILL ");
  lcd.setBacklight(TEAL);
  measurevol();
  lcd.setCursor(0,1);
  lcd.print(tank);lcd.print("gal");
  DateTime now = rtc.now();
   while (now.unixtime()-starttime <3600000){
    
    DateTime now = rtc.now();
    while (tank<lvl){
      digitalWrite(fillpump, HIGH);
      measurevol();
      lcd.setCursor(0,1);
      lcd.print(tank);lcd.print("gal");
      delay(15000);
    }
    digitalWrite(fillpump, LOW);
    periodicaeration(15,60, now.unixtime());
    delay(15000);
}}

void periodicaeration(float ontime, float onfreq, float tt){//on for 15 min freq is 60 min
  ontime=ontime*60*1000;
  onfreq=onfreq*60*1000;
  if (onfreq-ontime>tt-starttime){
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("Periodic Aeration ");
  DateTime now = rtc.now();
  float current = now.unixtime();
  while (current-tt < ontime){
    float timedisplay= (ontime-(current-tt))*1000*60;
    lcd.setCursor(0,1);
  lcd.print(timedisplay);
  delay(1000);
  digitalWrite(air, HIGH);
  DateTime now = rtc.now();
  current = now.unixtime();
  }
digitalWrite(air, LOW);  }
  }
void aeration(float airduration, int lvl){//duration in min check depth and keep air on and pumps off for time period
  airduration=airduration*60*1000;
  lcd.clear();
