Im currently in the process of making up some water, having drained my tank completely im just going to put around half in the tank incase it freezes(hope to god it doesnt) and then just top up when i need to, when im finished, bowls are coming off emptied out, then my inlet and outlets are going to be taken off to let any surplus water out and then heater on full pelt for tonights frost, ill let you know how i get on with my work tomorrow, if you dont see me online before 2pm you will know i made it out