Too bad that my cultures just crashed after keeping them going for over 6 years. Your not too far from me and I would have been happy to ship you some for free (UPS ground for about $6 total). I will have my cultures up again within a few weeks. I know that it wont help with this hatch, (or probably the next) but it will help in the future. Although I have a lot of phyto culturing experience, I choose to. Rotifers ARE easy to culture. Phyto seem easy, but to do it properly, its not as simple as it seems.
Are you going to be at the GIRS swap in November?
Good Luck