Unconfirmed Canon

Experimental laboratory was a Ancient laboratory planet Vohl. Ancients built laboratory for their research and found the Wraith laboratory. They used laboratory experiment with the Karran from Karra. Where every three months brought Wraith five Karrans to the laboratory for feeding and experimenting on them. However, the laboratory was destroyed by a Puddle Jumper. (SGA: "Wraithfall 1")