[Carson.]

Hey Joe, if you find a source let me know, I've been looking for some too.

https://floridapets.com/epages/047c0...Products/ulva1

https://www.kpaquatics.com/product/c...d-sea-lettuce/

https://www.live-plants.com/ulva.htm

All these places are sold out too, but I'll keep checking them