Understanding the Usefulness of GFO – Phosphate Removal Media

GFO, which stands for Granular Ferric Oxide, is a red brown powder that is compacted into granules. The purpose of granular ferric oxide is to inhibit algae growth by removing phosphates from the aquarium. Maintaining low phosphate levels will help…

Salty Q&A: Is RO/DI Water All It’s Cracked Up to Be?

Question I’ve been keeping saltwater aquariums for five years, and in all that time I’ve never used RO/DI water for top offs or mixing up clean salt water. I just use tap water treated with a dechlorinator / dechloraminator, and…

Nyos Phosphate & Nitrate test kit review

NYOS is a progressive brand of marine aquarium products which has recently teamed up with Ecotech Marine to make inroads in the American side of the marine aquarium hobby. The Reefer line of marine aquarium test kits are some of…

Aquavitro Phosfiltrum by Seachem dials phosphate removal up to 11

Phosfiltrum is a new phosphate removing filter media by Seachem which is part of their high performance Aquavitro line. After years of offering only their Aluminum Oxide phosphate remover Phosguard, Seachem has gone all in with three different types of…

Rich Ross focuses on Phosphate in the last MACNA 2014 speaker video

“Phosphate does not mean what you think it means” is probably one of the most profound things any speaker has said about this much maligned nutrient in our reef tanks. While PO4 gets a bad rap in our tanks, nothing,…

Reef Aquarium Carbon Dosing Clarified

Carbon dosing is a relatively new phenomenon in the reef aquarium hobby. The first I heard about it was around two years ago, and I hadn’t given it a whole lot of thought until recently. The goal of carbon dosing…

BlueLife USA Resinator introduces a novel take on the media reactor

The Resinator is a new chemical media filtration system from BlueLife USA which takes a fairly different approach to managing chemistry of aquarium water. When most of us think of a media reactor we envision a large contraption which aggressively…

Milwaukee Instruments Handy Photometers for testing phosphate and more

Milwaukee Instruments revealed at PetsFestival last week that they would be releasing a full line of small, compact and affordable handy photometers for testing water chemistry like Phosphate and more. If Milwaukee’s Photometer’s seem like a familiar concept, that’s because…

AquaMaxx Phosphate Out Pro is a GFO with even more PO4 removing power

Phosphate Out Pro is a new, higher capacity phosphate remover for aquarium use that is made of the highest capacity granular ferric oxide (GFO) currently available. It’s been a few years since the release of the original AquaMaxx Phosphate Out…

New Royal Nature Test Kits for Nitrite, Nitrate and Phosphates

Having found success when Royal Nature launched its first test kits back at Zoomark in May, the company had unveiled three more test kits check your nitrite, nitrate and phosphates levels. All three test kits are designed to be easy to…