Hi I'm building a water cooling system for my cpu. I have a couple of weeks to wait for my water block and radiater but I went out today and got a water pump for a small garden fountain. The size and flow is about right, adjustable up to 1000 litres per hour. My question is, since the pump is standard 240 volt and will be plugged into the wall seperatly, is there a way to have it start when I hit the power button to my PC? well I know its possible but how would I go about this? what would I need?