Multiple benefits: chick boost contains probiotics, vitamins, and electrolytes to aid in the health of hatchlings. For immediate use on hatchlings: chick boost should be mixed with fresh clean water, provided every day for the first 8 weeks, at which time they can be switched to egg boost. Boost immunity: chick boost introduces beneficial bacteria to the crop which help chicks develop a positive bacteria culture in digestive tract. Crowd out bad bacteria: beneficial bacteria in the digestive tract crowd out the bad bacteria. Easy to mix: chick boost mixes easily into water and is recommended that as soon chicks are born that the water is made available to them.