‘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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What’s In Marine Aquariums – The Beginners Guide

We have had a few people contact us asking what is in our new book and who it is beneficial for. We have replied to them but I thought it might be beneficial if we listed this information on Aquarists Online as well. Basically the book is available in both

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Acrylic Aquariums – Do It Yourself

Aquarists have a choice of aquarium construction material. There’s glass which is probably the most popular, then acrylic. Aquariums can also be constructed from plywood with a suitable lining. Glass is the material usually targeted when DIY is involved. However, is it possible to use acrylic? The answer is ‘of

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How Do You Transport Aquarium Fish?

Obtaining fish from the LFS (local fish shop) is really exciting. Maybe the aquarium is being initially stocked, or perhaps an ‘extra’ is being added (I hope that this doesn’t mean overstocking!). Whatever the reason for the purchase, the fish need to be taken to the aquarist’s home. The fish

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