Co-Current, Counter-Current, Needle Wheel, Venturi; it all sounds pretty complicated, but contrary to what some people would like you to believe, protein skimming ain't rocket science. Skimming is no more than injecting air bubbles into a water column, twirling them around for a bit, then skimming off the crud (proteins) that they collect. Exactly how different protein skimmers do this is a bit of an art, however. Here are the simple nuts and bolts of protein skimming. Understanding the principles makes it easier to find the right skimmer for your saltwater aquarium.

More: Top In/On Tank Protein Skimmers If you are planning to install a protein skimmer in or on your aquarium, these are the ones you will want to see. Compare Prices and save $$.

More: Top In/On Sump Protein Skimmers Compare prices on these state of the art sump mounted protein skimmers.

That small, annoying leak in your aquarium can turn into a major leak fairly quickly. Here are tips on why leaks occur and common mistakes to avoid when making repairs, and instructions on how to repair small leaks, major leaks or seam blowouts, replace a broken glass panel, as well as build a glass aquarium from scratch.

More: DIY Glass Aquarium Plans Building your own aquarium is easier than you might think. Here are simple, easy to follow instructions and plans.

Still More: Cheap, Easy DIY Sumps Why buy one when you can make your own custom sump, built just right for your tank?

Thinking about buying a host anemone for your Clownfish, but don't know which anemone will work for your Clown? The Relationship and Species Identification cross-reference chart can help with choosing the best or "preferred" host anemone for your clownfishes, which is based on the natural symbiotic relationships between them in the wild and other matches which seem to work in a saltwater aquarium.

More: Host Sea Anemone Survivability Survey Sea Anemones are not the easiest things to keep alive and in good health in an aquarium. Here are the summary and analysis of the Host Sea Anemone Survey. The information here could help you to easily double the life span of a sea anemone in your aquarium.

More: Clownfish & Host Anemone Photos Photos of a number of different species of Clownfish in their host anemones.

Forums: Anemone food????? Anyone have any good ideas for anemone food? I want to feed mine shrimp that I buy at ...

Photo by Bill Paterno

Is it really possible that  sharing a very dry Vodka Martini with your saltwater aquarium can reduce your nitrate (NO3) and phosphate (PO4) levels?  Charles Delbeek (Marine Biologist currently at the Steinhart Aquarium in San Fransisco, CA) says you can. Here's how...

More: Long Term Nitrate (NO3) Reduction Here is a method to easily, inexpensively and permanently reduce or eliminate Nitrates (NO3) in a Saltwater Aquarium.

More: Rapid Nitrate (NO3) Reduction Water Change Method is water change method that can reduce high accumulated nitrate (NO3) in saltwater aquariums quickly and safely, and includes an animated graphic of the process.