What should you test for in your saltwater aquarium, and how often?

To ensure that the water in your aquarium is up-to-par and meets the generally recommended standards for reef aquariums, regular testing is strongly recommended, not to say required. By: Albert J. Thiel

An Abridged How-to on Algae Control in your saltwater aquarium

  Algae— these simple, unicellular or colonial, photosynthetic eukaryotic plant cells, are remarkable. From planktonic blooms to giant kelp beds to algal films micrometers thin, algae of all types form the base of a global ecosystem, cycling carbon, oxygen and…

Aqua Medic Biotherm Temperature Controller/Monitor

Fluctuations in temperature cause changes to the water`s specific gravity, ability to hold oxygen and causes stress to fish, often leading to disease. A consistent temperature is a key element of stability, and stability is a cornerstone of the successful…

Reflecting On Lighting for saltwater aquariums

BY RICHARD HARKER It’s easy to find the reefkeeper in any neighborhood. It’s usually the house with the strange intense light streaming from it into the street. It is a rare reefkeeper who is able to illuminate a reef tank…

Reproduction in Aquarium Corals: What do we know and what do we still have to learn?

By: ANN TARRANT Over the past decade aquarists have made remarkable advances in rearing scleractinian (hard or stony) corals (Siegel 1997). This has been possible as a result of a better understanding of nutrient cycling and improvements in technology, such…

Shark pregnancy baffles aquarium

Veterinarian Bob George sliced open the dead shark and saw the outline of a fish. No surprise there, since sharks digest their food slowly. Then George realized he wasn’t looking at the stomach of the blacktip reef shark, but at…

Indian Ocean sailfin tang, Zebrasoma desjardinii

This species comes from the Red Sea and Indian Ocean; along with its close relative Zebrasoma veliferum from the Pacific, it is the largest Zebrasoma tang, potentially growing to 40 cm/16″. If you want to keep one you need a…

Buying an Aquarium a how to guide

Always buy the biggest set-up you can afford. The term set-up, and not tank is mentioned because a large tank will need a large filter, large heater and adequate lighting, so make sure that you can afford not only the…

24″ 2x24W Tek 2 T5 High-Output Retrofit Kit w/ Bulbs

T5 high-output fluorescent retrofit kit complete with Sunlight Supply Tek 2 individual parabolic reflectors for each bulb made from 96% reflective German-made aluminum, electronic ballast with color-coded wire bundle, power-cord, moisture proof end-caps, standoffs and choice of bulbs from any…

Andy can’t seem to get happy with his aquascaping…until now.

Andy over at Elder Reef can’t seem to get his aquascaping right, or at least he thinks so. Aquascaping is by far one of the most challenging things in running a saltwater aquarium. We all want that perfect look, and…