Definitive results from analysis of samples taken from the kitchen won't be available until next week.
A cleaning company was at the hotel on Wednesday.
In a separate incident, Imserso holidaymakers refused to check in to a three-star hotel.
Hundreds of complaints about beach parties
The bundles of drugs keep appearing.
The area of Arenal where the incident occurred.
There was a fight with a gang of bikers.
The woman went with one of the men to his hotel.
Lifeguards will ensure that beachgoers don't go swimming.
Arenal beach in Palma is unaffected.
Red flag at Arenal beach on Saturday.
Five German men remain in custody.
"Everything people are saying is right..."
They threatened to kill the hotel receptionist.
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