I think one or two
peppermint shrimp would do fine for eating the aiptasia. 10 may be overkill plus you'd have 10 starving peppermints because its rare IMO that they will eat anything else and will go looking for other things once the aips are gone.... like my prized yellow polyps!!
Get different types of snail. Dont just go with turbos. They are not that efficient and mostly stick to the glass. Once your tank is a little older and you are ready to add a fish, get a lawnmower blenny. They are pretty efficient at chomping down the algae!!
HEY YAKMON... did you get that sand from Murray?