Native marine aquaria are pretty scarce. Little information exists on how to be successful in maintaining healthy coldwater marine systems in domestic aquaria.

Hopefully this record of my failures, triumphs and ideas will assist others interested in keeping some of our fascinating, beautiful and often little known sea denizens in aquariums.

Sunday, 29 August 2010


I fell into the trap of getting salinity wrong. At 16C a salinity of 1.026 is required. The average salinity around Britain is 1.025 but the western coast is slightly saltier.
I collected my sea water from the ferry slipway at Sandbanks in Poole on an incoming tide, even so the salinity was only 1.023 and I had to boost it slightly with a saltwater mix.

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