When mixing in a single reactor, the BRS videos recommend a mix 1/3 GFO to 2/3 carbon. But in the documentation that came with the reactor they recommend a mix of the recommended amount of carbon from the BRS Calculator app and half the recommended amount of GFO. If it's one of the older videos I'd go with the instructions that come Located in Louisville, Colorado (80027). Selling because I decommissioned my 125-gallon saltwater tank after an extended power outage. All items are working and fully functional unless noted otherwise. Most items were purchased in 2018 or 2019 and decommissioned at the end of 2021. Prices This whole reactor cost me about 10 dollars. Below is a list of the materials that i used: 1- 1/2" CPVC Street 90 elbow. 1- 1/2" CPVC coupling. 1- 5' Length of 1/2" CPVC pipe. silicone sealant. PVC primer and glue. 1 Liter bottle of VOSS water from grocery store. 1 3"PVC coupling. Located in Louisville, Colorado (80027). Selling because I decommissioned my 125-gallon saltwater tank after an extended power outage. All items are working and fully functional unless noted otherwise. Most items were purchased in 2018 or 2019 and decommissioned at the end of 2021. Prices BRS GFO & Carbon Reactor - Single …utilizing GFO and Carbon in the aquarium. No annoying thumb screws and leaky lids like other reactors. BRS recommends a Sicce Syncra 1.5 pump to operate this reactor. Sold separately or packaged with the pump. Choose a different pump depending on mounting height and amount of media used. The BRS GFO … $54.99 Phosguard is an aluminum oxide removal media, which has a higher binding affinity for phosphates. It doesn't leech. GFO will leech phosphates back if left too long. Phosguard is more expensive than GFO, and GFO has a great reputation. Posted June 18, 2012. Im going to take advantage of the bulk reef supply group buy next week and I know alot of you guys run the BRS carbon and GFO in your tanks. After looking over their site they have a few different "qualites" of media, theres ROX 0.8, Lignite, and Bituminous carbon. And for the GFO theres granular and high capacity. Name- BRS offers the best instructions on bio-pellets i have seen in the industry Build- it seems to use the same high quality construction you could expect from more expensive Reactors Moddable- at this price range- why not cut it up! Cons: Capacity- with only one size a too large tank couldn't get the proper bio pellet coverage September 2005 Prepared by the NEW ENGLAND INTERSTATE WATER POLLUTION CONTROL COMMISSION 116 John Street Lowell, MA 01852-1124 Tel: (978)323-7929 Fax: (978)323-7919 mail@neiwpcc.org neiwpcc.org Ronald F. Poltak, Executive Director All groups and messages Enough space & cooling for up to 20 CREE Leds. BRS Dual Media reactor (GFO & Carbon) $35 plus shipping (PM me with zip code for shipping cost) It should have all parts included except 1 of the O-Rings (available at BRS for $2 each) BRS Dual Media reactor (GFO & Carbon) - $33 plus shipping (PM me with zip code for shipping cost) Instructions: We recommend 1 Tablespoon of BRS Special Grade Bituminous Carbon per 4 Gallons of tank water either placed in a media bag, or reactor. QUICK COMPARE - CARBON All of our carbons work well in the BRS reactor which is our suggested method of utilizing carbon in the aquarium. Related products Quick View. bubble magus curve 5 Instructions: We recommend 1 Tablespoon of BRS Special Grade Bituminous Carbon per 4 Gallons of tank water eithe