I'm guessing this is the post you are talking about.
https://www.backyardchickens.com/forum/viewtopic.php?id=91682&p=1
I see by the number of posts that you are probably fairly new to this site. Please don't take this as if I am getting on you or chewing you out. I'm trying to help.
You put your question on the end of a thread that was about a month old. Instead of doing that, you would probably do better starting your own thread.
Since the topic of that old thread was ducks, I'm guessing your question was on ducks, not chicken eggs. There are some people on here that are very good at hatching duck eggs, I imagine several with a Hovabator. I am not one of them. My experience is all with chicken eggs. The people with the experience you need may just not have seen your post. Many of us have other things to do and it is very possible your post just slipped by unseen. I don't know anyone on here that is paid to answer questions on this forum. We are all volunteers and sometimes volunteers don't show up. Overall I think we do a real good job answering questions, but sometimes things slip through.
You mentioned Hovabator, but you did not mention which model. That can make a difference, especially between still air and forced air. I'm guessing Hovabator makes still air models? I can talk with some confidence on the 1588 but my confidence drops off real fast with other models. That affects whether I can comfortably answer or not. If I don't know, sometimes I dont respond.
On this one, I'd suggest you start your own thread in the appropriate section with the information you consider pertinent. You might still not get your question in front of someone who knows, but you will probably do better.
Good luck!!!