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Temat: Sharks die at Pittsburgh Zoo aquarium
http://www.practicalfishkeeping.co.uk/p ... p?news=833
Sharks die at Pittsburgh Zoo aquarium
The Pittsburgh Zoo has had several high profile fish deaths.
A group of sharks died at the Pittsburgh Zoo and PPG aquarium this weekend after dangerous ozone was accidentally added to their water.
According to Pittsburgh's Post Gazette, the accident occurred after the Zoo closed on Saturday during a routine water change which replaces 34,000 litres/7,500 gallons of water with purified seawater stored in a holding tank.
Rather than throwing away lots of expensive salt water, the aquarium recycles it by storing the polluted water from the water change in a holding...
Źródło: planktonforums.org/viewtopic.php?t=1625