Alternative Filtration Systems

Lee Eng Filtration System

In the late 1950s and early 60s Lee Chin Eng, an aquarist who lived in Indonesia, reported great success with a method of aquarium keeping that he called nature s system Eng, 1961 . Mr. Eng used unfiltered seawater, and circulation in his aquariums was achieved with air bubblers within the tank, either airstones or open ended air hoses for larger bubbles. The aquarium decor consisted of live rocks with attached plants and invertebrates, and live corals. His technique, now called the natural...

Spectacular Reef Aquariums from Around the World

4000 Aquarium

Imagine what it would be like to own a reef aquarium like this In our travels we have encountered some pretty amazing public and private reef aquariums, and we thought it would be inspirational to give a tour of some of these tanks. Their beauty demonstrates the kind of success that one can attain. With perseverance, patience, and by following the techniques described in this book, one really can reproduce thriving ecosystems like these. We also want to show some variation in the types of...

Faster than those that do not have zooxanthellae

Growth Forms Corals

The zooxanthellae of corals are brown in colour, which is the best colour for absorbing blue light Benson, 1984 . If you have ever been SCUBA diving in a tropical ocean, or seen pictures from these areas, you may have noticed that the water is very blue. This is due to the absorption of the longer wavelengths of light red and yellow within the first few metres of water. Therefore it is the blue light that extends furthest into the sea. Zooxanthellae have adapted to make the most use of blue...