If you use concentrated liquid formula or powdered infant formula, be sure to make it according to the manufacturer's instructions or any alternate instructions that your baby's doctor gives you. (verywellfamily.com)
My husband and I were initially buying the 2 oz packs of liquid formula for convenience, but quickly realized that wasn't financially sustainable. (romper.com)
The price falls in between powdered and liquid formula in most cases. (mommyedition.com)