Well been feeding my ca/sa's hikari carnivore pellets, gold, food sticks, and freeze dried shrimp. Last week i got some packets of the frozen spirulina shrimp and blood worms, which I fed for five days straight I guess it was easier but little by little the festae, salvini and freddy got this like white coat on em costia? velevt? looking not ich, water params solid just the food change think this caused it not enough protien? I dont know treating it since fri getting better everyday tomorow I stop meds rid ich+ you think it was the food. since its curing and fish are all ca/sa didnt post in disease but move this if necessary thanks..