I find myself having to grow in a less than convenient situation in a shed which essentially has only one fully unwound 10amp extension lead as it's sole power source. Now I am running a 400w hps, 6inch Ruck and 120w tube heater and a clip on oscillating fan. trouble is is getting cold and the tube heater isn't enough.

Now previously I have in a different location run 2x400w hps, 6inch Ruck, 4inch ruck, oscillating fan and 2kw greenhouse fan heater through an evolution controller with good effect. I am currently just using the controller to control the extractiion fan speed at the mo and don't have the heater of intake fan hooked up due to temperature and more importantly potentially overloading the socket.

Any thoughts on what is likely to work best (safely) would be much appreciated. i also have a 1/2kw switchable oil-filled radiator I could use. And for info I am in a 1mx1mx1.8 budbox.

greens