As long as you put it in a pot it is a pot seed. 1-2-3-5- gallon buckets won't work they may turn out to be anything but pot seeds.
some ppl say feed the soil so the soil can feed the plant the same should apply to your ferts. What do you feed your dog? The dog piss will be very dependent on what it eats. Once you get going you could turn your dog into a vegetarian and feed it all your shake etc, this I believe has never been done but might just be the holy grail of ferts?
If I feed my dog the shake leaves, will he shit HASH?
And aboiut the rectal thermometer, Shove it up your ass but you need to be in your grow room or closet. If it's too small to go in just at least get your but in as close as you can. Now if you get the chills when you pull down your pants and under pants you know you will have to up the temp in the room, same applies if you start sweating, you need to make it cooler.