i'd let them be for a few lays... get them in a cycle, like im sure you are accustomed to. Im not sure placing a tile into their environment would be a good idea so a snagger might be in order.
+ 1 I wouldn't mess with a thing. I hope it all works out and I'm sure you will have no problem getting rid of them
Congrats for sure! BIG accomplishment!
Don't forget some luck in there.... I'm no marine rocket scientist for sure. Many thanks for the kind words.
Quick tip from my old days counting cells. Snap a picture of the eggs, print it out on cheap printer paper (even black and white is fine) and then count them as you touch each one with a black sharpie.
Landlord
I had a pair laying eggs this time last year (and lost them but that is another story). They had a great hatch rate but I found the fry very difficult to raise compared to occs. They are extremely light sensitive - beware! It didn't take much at all to have them all swimming headfirst in to the bottom. I managed to get a couple out to day 12. Anyhow, best of luck to you.