I once had one find a cinder block that I had temporarily placed in my lagoon. After that I had to leave the block in place. It did quite well for a long time until I gave it away (including the cinder block.
Is it feeding normally? For most moderately sized Bubbletips 4" is about the right distance to stretch to get to the light. I would not be concerned with the flow rate as long as you've provided options for higher flow.
If it's not feeding then there is an issue. If it's eating normally I...
They like to attach their foot deep into a crevice or under a rock and reach around for the full light available. This allows them to easily regulate the amount of light their zooxanthellae receive.
I've removed the posts that were off topic to here ---> https://forums.saltwaterfish.com/index.php?threads/swf-com-ording-discussion-pulled-from-show-off-your-tank-s-thread.399090/
Feel free to continue that discussion there.
I disagree. I'd say keep it cool so it mixes better but measure the salinity and not the specific gravity. Don't warm it up until you're about to use it. The salinity isn't going to change when you warm it up.