The SEA LIFE Centre next to the pier in Brighton is the world’s oldest operating aquarium. Originally designed by Eugenius Birch in 1872, the popular attraction has recently benefited from substantial renovation and now offers a range of new attractions including a Jellyfish Discovery & a Behind the Scenes tour.
With hundreds of highly valuable marine creatures to protect, water quality is a key issue and routine monitoring is now undertaken with HACH LANGE instruments.
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Displays Curator Carey Duckhouse says “The recent building work presented a series of challenges, but we have been able to protect water quality throughout the project with a monitoring regime that was designed to quickly detect any deterioration in water quality and to provide the highest level of vigilance for the most sensitive species.”
In order to protect water quality, each tank at the Brighton attraction has its own filtration system, including a pressurised sand filter, a biological filter and a carbon filter where appropriate. Some tanks, containing particularly sensitive species such as seahorses, octopus and jellyfish, also feature an ultraviolet treatment system.
Many marine organisms will die quickly if the dissolved oxygen (DO), temperature or salinity levels move outside of acceptable boundaries, so temperature measurements are taken daily on all tanks, DO is measured three times/day in the main ocean tank, and salinity and DO are measured twice per week in all tanks.
A hand-held ‘HQD’ water quality meter is employed for this purpose, utilising the latest sensor technology such as an optical LDO™ sensor which substantially improves the reliability of oxygen measurements disease, so a range of other parameters such as ammonia, nitrate, nitrite, phosphate, copper and iron, are also measured with a HACH LANGE DR 2800 spectrophotometer.”
Further more information contact Hach Lange, Salford, Manchester
Tel +44(0)161 872 1487, Fax +44(0)161 848 7324
E-mail: info@hach-lange.co.uk Web: www.hach-lange.co.uk
