Underwater cleaning operations dump 2 tons of biocide into Algeciras Bay
Underwater cleaning of ship hulls releases both invasive species and high concentrations of toxic anti-fouling paint into the water.
In enclosed bays these have no place to go. This collation of video clips shows underwater hull cleaning in progress by a number of different diving companies and highlights the very visible release into the water of both potentially invasive species and dense plumes of anti-fouling paint into the water. Video by Marine Report (YouTube).