We Tanked our pH Using Automation, but the Fix is Simple

For the last few years we’ve been part of a cabal urging reefers to really push their aquarium pH ever higher to achieve robust stony coral growth. There are lots of little things you can do to elevate the pH…

The Versa Might Be the Only ‘Smart’ Pump With Continuous Dosing

The Versa from Ecotech Marine is a dosing pump with many different applications, making it versatile for a wide range of utilities. It’s programmable, controllable, and most reefers will use it for precise dosing of additives and water changes, but…

IceCap Kalk Reactor Review, a Modern Take on a Classic Method

The IceCap Kalk Stirrer is the first new version of this device we’ve seen in the aquarium hobby for way too long. Adding a concentrated solution of Calcium Hydroxide (CaOH), also known as Kalkwasser, was one of the first forms…

Icecap Releases the first NEW KalkStirrer in Ages!

The IceCap kalkwasser reactor or kalk stirrer is one of the first new models of this kind of device we’ve seen in a really long time. As you know we are big believers in the dosing of kalk in our…

Avast Marine’s Kalk Stirrer is Surprisingly Easy To Build Yourself

The aquarium hobby has always had a strong spirit of doing it yourself, for many it’s one of the big appeals of this aquarium world. Some aquarists like building everything from scratch but for the rest of us there’s Avast…

IceCap Magnetic Kalkwasser Stirrer Prototype Spotted at MACNA

The Icecap Magnetic Kalkwasser Stirrer is a type of kalkreactor which could make dosing kalkwasser cool again. Dosing a solution of calcium hydroxide is one of the oldest ‘methods’ in reef keeping so any device that can streamline that process…

NOVA’s Lethal Seas program is a simple lesson in Carbonic chemistry

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…