NIce to see but inefficient as hell.... If you just use the water for this; let it run through the system and right into the drain; it's just a bad example of water usage

...
Letting the neighbours pay for your mining isn't nice too :/
BTT:

Dam you I love the 5870s I have 1 and they blow all other gpus I currently have need to get more of them or I get higher ones or wait for other hardware.