On a very basic level, some reefers kind of understand the interplay of carbon dioxide, carbonate, carbonic acid. However we’re not quite as sure that saltwater aquarists really understand how these chemicals affect pH and alkalinity, and especially how it…
Techniques for Maintaining Calcium and Alkalinity in Reef Tanks
Calcium and alkalinity are vitally important chemical parameters in reef aquariums. They are used by stony corals to build their calcium carbonate skeletons. A lack of calcium and alkalinity in the water will inhibit the growth of reef-building corals and…
Marine Aquarium Antacid: Understanding Alkalinity
When I first made the switch from freshwater to marine fishkeeping, I was somewhat befuddled by the term “alkalinity” as it’s typically used on the saltwater side of the hobby. During all my years of keeping freshwater systems, I had…
My Top 6 Simple Accessories Repurposed for Marine Aquariums
Visit your local fish store, and you’ll see shelf after shelf of equipment, implements, doodads, and thingamabobs specifically designed to make the maintenance of marine aquariums more manageable. But when you really think about it, a lot of the handy…
Kalk King gets thorough video overview of its working
Kalk King is an exciting new automated Kalkwasser dosing system by E-Fins, who you might recall from the Algae Mower Vac. We thoroughly covered the workings of the Kalk King, but E-Fins just released a video with an overview of their automated…
Kalk King aims to be an affordable and foolproof kalkwasser doser
The Kalk King is not just a new product but it could also be eligible for a new product category, brought to you by E-Fins, makers of the Algae Mower Vac that we also didn’t know we needed. Simply put…
Sprung Reactor: Julian walks us through the KW Reactor 300
The Sprung Reactor is what we are affectionately calling the new KW Reactor 300 with the novel sprinkler head mixing device. Although we jokingly gave Two Little Fishies some ribbing for the KW Reactor 300 before we saw it in…
Aiptasia Anemone Removal by Lethal Injection (Kalkwasser Paste with Syringe)
I’ve had this Aiptasia anemone in my tank for a little over a month now. It has been bugging me to remove him from the tank, afraid that he might grow a few friends to go in other parts of…
