 
 void writeLCD(float ambientTemp, float fluidTemp, String flameStatus){
   lcd.setCursor(0,0);
-  lcd.print("Fume Hood Monitor   ");
+  lcd.print(make20Characters("Fume Hood Monitor"));
   lcd.setCursor(0,1);
-  lcd.print("Ambient Temp: ");
-  lcd.print(ambientTemp, 2);
+  lcd.print(make20Characters("Air Temp: " + String(ambientTemp, 2) + String((char)223) + "F"));
   lcd.setCursor(0,2);
-  lcd.print("Fluid Temp: ");
-  lcd.print(fluidTemp, 2);
+  lcd.print(make20Characters("Fluid Temp: " + String(fluidTemp, 2) + String((char)223) + "F"));
   lcd.setCursor(0,3);
-  lcd.print("Flame: ");
-  lcd.print(flameStatus);
+  lcd.print(make20Characters("Flame: " + flameStatus));
 }
 
 void writeLCD(String timeString, float ambientTemp, float fluidTemp, String flameStatus){
   lcd.setCursor(0,0);
   lcd.print(make20Characters(timeString));
   lcd.setCursor(0,1);
-  lcd.print(make20Characters("Ambient Temp: " + String(ambientTemp, 2)));
+  lcd.print(make20Characters("Air Temp: " + String(ambientTemp, 2) + String((char)223) + "F"));
   lcd.setCursor(0,2);
-  lcd.print(make20Characters("Fluid Temp: " + String(fluidTemp, 2)));
+  lcd.print(make20Characters("Fluid Temp: " + String(fluidTemp, 2) + String((char)223) + "F"));
   lcd.setCursor(0,3);
   lcd.print(make20Characters("Flame: " + flameStatus));
 }

#include "Adafruit_LiquidCrystal.h"

#define REDLITE A3
#define GREENLITE A4
#define BLUELITE A5

Adafruit_LiquidCrystal lcd(0);
int brightness = 255;

  pinMode(REDLITE, OUTPUT);
  pinMode(GREENLITE, OUTPUT);
  pinMode(BLUELITE, OUTPUT);
  cycleBacklightColor();
  setBacklight("green");
}

void writeLCD(String message){
