It comes as the sector is already struggling with teacher shortages in New Zealand.
"The amount of funding the Government provides us doesn't cover the increased costs that we have to pay with the increased pay parity."
Early childhood centre managers are warning they'll be the next frontline for outbreaks.
But the union warns there is still a long way to go to meet pay parity.
From popcorn to hard crackers, meal times are about to look very different.
The first round of changes would target children's health and safety.
