In 24 hours the culture will exhaust the food supply.

At this point havest 50% of the volume of the culture tank. If you want to increase the population of rotifers or moina return the collected animals back to the culture tank. Do not disturb or remove the mulm on the bottom. The eggs of the moina or rotifers are deposited in this medium. Removal will prevent any reproduction by the culture.

Add new green water.