When I started out with an electric, I ignored some sage advice on the Cookshack forum about using the wood sparingly. I over smoked a butt, turned it ugly bitter with a black sticky coating. Every time the smoke died out, I added more wood till I used 3/4 lb. So I started weighing the wood and cutting into roughly 1, 2, and 3 ounce chunks. For large cuts like a butt or whole packer brisket, i use 5 to 6 ounces. For baby back ribs, 3 ounces and St. Louis style 4 to 5 ounces. An inexpensive digital scale works fine. I am now to the point where I just give a good estimate of the weight and don't normally weigh the wood. I still weigh the chunks when I get a shipment just so I know the average weight of each piece. Hope this helps.