What is the difference in the feeding troughs CB25, GL25, BYK vs the CB40, GL40, TYK, KYK? Katrina B. | Hatching Time October 14, 2022 14:42 The CB25, GL25 and BYK have thinner plastic than the troughs for the CB40, GL40 and KYK, TYK models. Related articles What is the size of the O ring inside the water tank connector to water hose? Do the Incubators come with A light for candling? Will Button Quail eggs fit in the Quail egg racks? How does Middle Divider come off Middle Wall (With Optional Breeding Divider)? How high should nest boxes be placed off the ground? Comments 0 comments Please sign in to leave a comment.