 int en1 = 2; //1 is fill
 int step1 = 3;
 int dir1 = 4;
-int en2 = 5;//2 is decant
-int step2 = 6;
-int dir2 = 7;
+int decantpump = 5;
+int fillpump = 6;
+int skimmer =7;
 int air = 9;
 int stir = 8;
 int depth = A0;
 float tank;
 void setup() {
   pinMode(en1, OUTPUT);
-  pinMode(en2, OUTPUT);
+  pinMode(decantpump, OUTPUT);
   pinMode(step1, OUTPUT);
-  pinMode(step2, OUTPUT);
+  pinMode(fillpump, OUTPUT);
   pinMode(dir1, OUTPUT);
-  pinMode(dir2, OUTPUT);
+  pinMode(skimmer, OUTPUT);
   pinMode(air, OUTPUT);
   pinMode(stir, OUTPUT);
   pinMode(depth, INPUT);
   digitalWrite(en1, HIGH);
-  digitalWrite(en2, HIGH);
   lcd.begin(16, 2);
    if (! rtc.begin()) {
     lcd.print("Couldn't find RTC");

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

  if (buttons) {

  measurevol();
  lcd.setCursor(0,1);
  lcd.print(tank);
  int starttime = millis();
   while ((millis()-starttime)<10000){
    digitalWrite(fillpump, HIGH);}
    digitalWrite(fillpump, LOW);
}
void aeration(){//check depth and keep air on and pumps off for time period
  lcd.clear();
