Unique Corals unveils new Pax Bellum N12 nano chaeto reactor

The Pax Bellum Chaetomorpha reactor is one of the more interesting new products to hit the aquarium scene last year. To date most of the Chaeto-filters from Pax Bellum have been made for rather large tanks, but at ReefStock we spied…

A.R.I.D. chaetomorpha macroalgae scrubbers from Pax-Bellum

The marine aquarium hobby is always on the lookout for ever simpler and more effective ways to reduce nutrients in our tanks. The A.R.I.D. devices from Pax-Bellum are a new way to apply intensive macroalgae scrubbing to nutrient reduction, making…

SEA Aquarium has the most gigantic ball of spinning Chaetomorpha algae

It’s no secret that I am personally not a fan of the kitchen sink approach to creating a “refugium” with all the sands and cruddy algaes that usually build up there. I and we, are very much in favor of using…

The Many Possible Purposes of the Saltwater Refugium

“Refugium” is a hobby term that resists easy definition. This is probably so because, unlike most aquarium accoutrements—heaters, powerheads, protein skimmers, lights, etc.—there’s no single, readily identifiable purpose for a refugium. Ask 10 different hobbyists what a refugium is for,…

The Many Means of Nutrient Export in Marine Aquariums

Dissolved nutrients. Sounds like a good thing, right? After all, every organism needs nutrients in one form or another in order to grow and stay in good health. So why are marine aquarium hobbyists—particularly reefkeepers—seemingly so fixated on keeping the…

Good Reasons to Use a Refugium in Your Reef System

A refugium is a safe haven for algae and invertebrates in a separate tank from the main display aquarium. These organisms provide some distinct advantages to the overall health of a reef aquarium. First off, the critters breeding in the…

Blue Hypnea algae is a macroalgae worth growing for its looks

Blue Hypnea is a new macroalgae from ORA which is interesting and colorful enough to be cultured in aquarium for its own sake. Not to be confused with more purple colored Ochtodes from the Caribbean, the blue Hypnea algae is an attractive algae which…

Nano-reef user Metrokat’s display refugium is an awesome collection of macroalgae

Marcoalgae is awesome, and not only because of their nutrient removal abilities. We love macro algae for its ease of maintenance, cool growth forms and colors and we’re even more fond of macro algae displays. This display refugium of nano-reef…

AlgaGen MacroAlgae Plugs might usher new era of saltwater planted tanks

We’ve seen some slivers of info about AlgaGen’s MacroAlgae here and there over the last year but seeing them in person totally caught us off guard. The small flat plugs are populated by attractive, neigh gorgeous species of red MacroAlgae…

Halophila’s Seagrass tank is a prime example of simple beauty

This Halophila-dominated seagrass aquarium is built and designed to take care of itself. No protein skimmer, no calcium reactor, no sump, no biopellets, carbon or GFO. No automatic water changes or a super controller with email function. Heck this system…