Ok thanks for your advice..all makes sense however i have read that it can be helpful to the plants to have natural sun in the day outdoors and then put them indoors in a tent for extra lighting at night? I also have bad electrics so running the lights during the night shuld be ok as i dont have other appliances running. I have been growing outdoors for the last 3yrs so indoor grow with tent and lights is new to me. I have trued to grow in winter outdoors then in my shed at night but hopeless