Bladder Snail Takeover

They're everywhere! So maybe I am an idiot and am feeding them too often. How often should I be feeding my beta as well as my 12 Glowlight Rasboras + 4 Ember Tetras? I do have a ton of Neocaridina Shrimp + 1 Horned Nerite Snail. They're all in a 29 gal tank.