updated

coolant_driver.lua

@@ -1,12 +1,13 @@
 local function report(reactor)
     if reactor then
-        return reactor.getCoolantFilledPercentage()
+        return (reactor.getCoolantFilledPercentage() or 0) * 100
     else
         return "No reactor found"
     end
 end
 
 local function watch(reactor, monitor)
+    local coolantLevel = 
     print("Coolant: " .. report(reactor))
     sleep(1)
 end

main.lua

@@ -8,7 +8,6 @@ local function runMonitors()
     while true do 
         tempDriver.watch(reactor, monitor)
         coolantDriver.watch(reactor, monitor)
-        sleep(1)
     end
 end
 
@@ -26,8 +25,6 @@ local function runDisplay()
             monitor.write(item.Label .. ": " .. item.value)
             monitor.setCursorPos(1, i + 1)
         end
-
-        sleep(1)
     end
 end