‘Big’ To The Marine Aquarist

Most marine aquarists keep mixed reef aquariums, some of them are very small ‘nano’ systems and others could be six footers, large in the hobby world. There are a few who own aquariums even larger. Other aquarists have fish only systems that could be the same in size range to

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What Salinity Should I Keep My Marine Aquarium At?

Marine aquarists use a hydrometer to measure the specific gravity (SG) of the seawater. The hobby hydrometer is not a pure scientific instrument but is capable of sufficient accuracy to enable stability of the SG – provided the aquarist does at least a weekly check. Marine aquariums come in two

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