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    A Lesson on Ozone Use, 15 Sharks Die at Indy Zoo

    A very sad story was brought to our attention by a reader, Nick S, that shows the importance of proper ORP monitoring when using Ozone. In this case due to faulty equipment, it cost the lives of 15 Bonnethead Sharks (Sphyrna tiburo). Photo via Flickr:dral10 Zoo Sr. veterinarian Dr. Jeff Proudfoot has said the tank’s skimmer [...]

    A very sad story was brought to our attention by a reader, Nick S, that shows the importance of proper ORP monitoring when using Ozone. In this case due to faulty equipment, it cost the lives of 15 Bonnethead Sharks (Sphyrna tiburo).

    Photo via Flickr:dral10

    Zoo Sr. veterinarian Dr. Jeff Proudfoot has said the tank’s skimmer was taken offline Monday morning (Jan. 19) for repairs. With no water passing through, the ozone/orp probe could not provide an accurate reading and the ozone generator pushed in a dangerous amount.

    Officials have said the zoo will be reviewing the filtration system design and procedures in order to prevent future accidents. The other occupants of the exhibit, two Emperor Snappers have made it through the tank crash.

    Take note. If you are running Ozone make sure your set up is running properly and your ORP readings are accurate.

    Info via: Indy Channel

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    • http://coralidea.com jake adams

      I was going to post on that wednesday but I figured the sad news would just be a bummer.

    • Nicholas Sadaka

      I agree that it definitely is a bummer, but like Eric said, I think it’s a really important lesson. It’s so easy to get so use to our systems that we sometimes forget how careful we need to be and how deadly the results can be regarding something we almost take for granted. Always good to learn from others and especially from tragedies so we don’t repeat them. I think a lot of public aquariums use ozone and you can bet they’ll all be getting a memo on ozone usage. Very sad though, there’s no doubt about that.

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