righty oh got the kit today followed instructions to the tee i put the bucket on a heat matt is this ok ill never get the temp right.put the airlock in the top of the lid with water in it i took the top off the air lock so air can get out. (is this right)i know it is it doesn't say in the instructions. now there is one thing i got with the kit and i don't know what it is can someone help its a plastic hollow tube about 12 inch with a top on it it looks like a air valve of some sort anyone know what it is and how to use it?thanks for any help stewart .ps do i need to add tea?the kit is john bull cider.