ok so i have 3 betas 3 guppies a pleco and a red tailed shark, my male beta and my red tailed shark are bloated. ive tryed the pea thing,treatment for all sicknesses (tetra lifeguard all in one) cuz at first i thought it was dropsy. ive used aquarium salt... I've tried every thing but my fish are still bloated. i feed them a little bit of blood worms a lil bit of flakes (for the guppies) and 6 bottom feeder pellets a night. i have even fasted my tank for a night but nothing is helping, PLEASE help me i dont know what i am doing wrong or what i should be doing. and by the way my water conditions are all fine. ill rate best answer and 10 points. please i really need help and im very worried! 