To get "bulk" you should eat at least 3-5 meals a day while using Creatine and Protein supplements while working out every other day. When working out add more weight to your weights every time.
Carrion feeder would be a detritus feeder because carrion is detritus. But a carrion feeder specifies that it eats carrion.
Bulk-Gaining because the final product (the soda bottle) weighs more than the inputs (the bottle and soda)