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[MrBredli]

That pic is a year old mate, at the time i was running 2x 4.3m heat cords (25W each i think) controlled by a pulse proportional thermostat (you can see the probe going into the control tub in the middle). I'm using a similar setup at the moment bit i'm using a 6m heat cord now as the 4m heat cords struggled to keep the temps up during cold nights.