Hanna introduces affordable ultra low range phosphate checker

Hanna Instruments added another great product to its small and simple “Checker” line of products with its Phosphorus Ultra Low Range Checker. The new model, HI 736, is similar to the previously released HI 713 Phoshate Checker except taking the…

N:P-X Biological Nitrate and Phosphate reducing carbon source from Red Sea

If you had any doubt regarding the claims reefers make about dosing vodka and other carbon sources to their tanks, the new N:P-X product from Red Sea should add a heaping tablespoon of credibility to the technique. N:P-X is a…

ROWA Crystal liquid additive phosphate reducer for fresh and marine tanks

ROWA Crystal is a new liquid additive from ROWA, the manufacturer of the first, and still the most potent granular ferric oxide (GFO) for the marine aquarium market. ROWA Crystal is designed to reduce the phosphate levels of aquarium water…

Hanna Phosphate Checker Review: notable compromises still worth the resolution and portability

The Hanna phosphate checker is a green, egg-shaped hand-held colorimeter for portable testing of phosphate concentration with digital precision. If you’re like us, you’ve probably been wondering how Hanna could make such a small and affordable little colorimeter that could…

Hanna Instruments new PO4 checker phosphate colorimeter

Hanna Instruments has released a new phosphate checker colorimeter that should make it easier for you to check your water parameters or at least phosphate. The new phosphate colorimeter has a resolution of 0.01 ppm (250 points) and 4% ±0.04…

AquaCare introduces phosphate reactor

Aquacare has released a new phosphate reactor. Should be avaiable in the US soon. Blurb from Aquacare: “The new AquaCare Phosphate-minus-Reactor PMR is filled with Phosphate-X-globuli and works with the most effective moving bed system. Blocking of the material is…

AquaC XP Plus Phosphate Reactor Released

Apparently AquaC is getting into the reactor business, no longer content with just producing protein skimmers and accessories for them. They announced the edition of the Aqua C Plus Phosphate reactor. The XP Plus is built from high-quality acrylic and…

The Best Water Testing Kits For Saltwater Aquariums – Reef Builders Gear Guide

Water testing kits are the foundation of a healthy marine aquarium after all you can’t just look at the water and know what’s going on. Maintaining stable water parameters is the key for fish and corals to thrive, and the…

The Best Macroalgae Reactors – Reef Builders Gear Guide

Macroalgae reactors are built with the sole purpose of growing chaetomorpha algae. While it’s possible to grow small amounts of chaetomorpha in a refugium, a dedicated macroalgae reactor goes beyond the humble refugium to create a supercharged macroalgae growing machine.…

Powder Blue Tangs & Emperor Angelfish: Two Common Fish That New Reefkeepers Should Avoid

Reefkeeping is a paradox. We set up an aquarium to display all the wonderful diversity of the tropical oceans, only to be told that we can’t keep the vast majority of species in our tanks. I help out in my LFS on Saturdays and the following two species are probably the two that people ask me for and point out the most, only for me to deliver the grim news that they can’t have them. And here’s why.