Gilly's Reef Posted August 5, 2016 Share Posted August 5, 2016 which would you do and why? Link to comment
Subsea Posted August 5, 2016 Share Posted August 5, 2016 GFO is a phosphate exchange resin. Depending on the refugium, it can be used for nutrient export or nutrient recycling. Pods and worms in refugium absorb nutrients to grow. In turn when they reproduce they feed fish and filter feeders including coral. If your refugium has lights, macro can export nutrients or feed to fish and recycle nutrients. As a general rule, the nutrient uptake of nitrogen to phosphate is 30:1. Depending on how much and what you feed your tank, they should both be used. In my large systems, I do not use phosphate resins because of the cost. I simple add ammonia to uptake more phosphate. Link to comment
dacdaddy Posted August 11, 2016 Share Posted August 11, 2016 I'd hang on back full of biomedia like marinepure or siporax Link to comment
smeagol108 Posted August 11, 2016 Share Posted August 11, 2016 I'd do neither. It's ten gallons. Just do 100 percent change once in a while and forget about the rest. Santa Monica hog scrubbers are pretty cool for nano tanks too. I have been using one for a while and like it a lot. But u could build one urself way cheaper than he sells one if u have the time. To answer ur initial question the two things clearly server different purposes. Although a refugium may remove phosphate, gfo definitely will at a higher rate. Link to comment
markalot Posted August 11, 2016 Share Posted August 11, 2016 Neither, regular water changes. I do like HOB refugiums, I use on on my 40 breeder, but no algae in there, just for media and dosing. Link to comment
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