Aquarium Equipment

An RO membrane forces molecules through a semipermeable membrane (certain substances can pass through but not others) to form a less concentrated solution then you started with. The inside of the membrane looks like so: Some of the things an RO membrane can filter out are: Lead Copper...

For inspiration: a great macro anemone shot. The image above is from the Reef2Reef archives courtesy of @maidia ©2019, All Rights Reserved. Successful reef-keeping is very much a numbers game. Specific gravity, pH, temperature, calcium & magnesium concentrations are important to know. Light...

Note from the Editor: Some time ago, our resident electrical guru, @Brew12, wrote a good article on the forum at the beginning of a discussion thread about using ground probes for your aquarium. As soon as I saw the article, I recognized that this deserved top billing. So, here, below, is our...

Inspiration for beginners: A "before" photo of a new 70G. Photo courtesy of @Mal1124, ©2018, All Rights Reserved. Inspiration for beginners: An "after" photo of the same 70G, 21 months later. Photo courtesy of @Mal1124, ©2018, All Rights Reserved. When most beginners decide to set up an...