| free chiller
alls you need is 400 ft of 3/4 pipe and a shovel. i just installed a geothermal loop to the green house operation. no pumps needed . the water simply siphons from the main vat and runs through the ground then dumps in the sump. in at 78 out at 62 awsome results. now all i need to do is get an actuated ball valve on a temp controller and you have it |