They were started from cysts from Florida Aqua Farms, cultured in their own vessels and ramped up to the current production. All items used for their culture are only used for just that, regularly washed and sanitized using vingear baths. Phytoplankton is cultured here as well in small batches.
All water is mixed separately for use in the culture as it's to a different salinity. Only batched fresh salt water is used, never aquarium water.
Rotifers are strained out of the culture water, rinsed with new salt water and packed with more, new salt water. Phytoplankton is the last thing to be added before the lid goes on so they don't starve before going into your aquarium.
Good question. Hope that answers your question.
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