Find the lowest price for:       All ProductsCO2 Products     0.0 (0)   Add a review Red Sea CO2 Reactor 500   CO2 Reactor 500 1-5/8" x 3-3/4" x 2-1/4" high; up to 125 gallons by Red Sea. Submersible carbon dioxide reaction chamber keeps aquarium plants healthy Have a question? Ask the Experts! Set Price Alert Compare Prices Product Spec Member Reviews Recommend to Friends Searched Red Sea CO2 Reactor 500 in 150 stores, 14 results found Image Description   Store   Price CO2 Reactor 500 If this item doesn't belong here, click Remove and help us keep our results accurate.   Saltwater Eddies, LLC   0 Store Reviews   $35.95 Go to Store Red Sea CO2 Reactor 500 1-5/8" x 3-3/4" x 2-1/4" high; up to 125 gallons for Aquariums If this item doesn't belong here, click Remove and help us keep our results accurate.   Drs. Foster and Smith   7 Store Reviews   $36.99 Go to Store Red Sea CO2 Reactor 500 If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $39.97 Go to Store Red Sea CO2 Reactor 500 w/Pump If this item doesn't belong here, click Remove and help us keep our results accurate.   Big Al's Online   0 Store Reviews   $39.99 Go to Store Red Sea CO2 Reactor 500 W/Built In Pump If this item doesn't belong here, click Remove and help us keep our results accurate.   AquariumPlants.com   0 Store Reviews   $41.99 Go to Store Red Sea Co2 Reactor 500 - Red Sea Fish Pharm Ltd. If this item doesn't belong here, click Remove and help us keep our results accurate.   PetBlvd.com   0 Store Reviews   $42.97 Go to Store Red-Sea-Fish-pHarm CO2 Reactor 500 If this item doesn't belong here, click Remove and help us keep our results accurate.   Mail Order Pet   0 Store Reviews   $46.98 Go to Store Red Sea CO2 REACTOR 500 If this item doesn't belong here, click Remove and help us keep our results accurate.   Pets Warehouse   0 Store Reviews   $48.51 Go to Store CO2 Reactor 500 Dosing Planted Aquarium Red Sea If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $48.95 Go to Store Red Sea Co2 Reactor 500 If this item doesn't belong here, click Remove and help us keep our results accurate.   SeaQuest Marine   0 Store Reviews   $49.88 Go to Store Red Sea CO2 Reactor 500 If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $49.99 Go to Store Red Sea CO2 Reactor 500 If this item doesn't belong here, click Remove and help us keep our results accurate.   MarineDepot.com   5 Store Reviews   $49.99 Go to Store Red Sea Co2 Reactor 500 If this item doesn't belong here, click Remove and help us keep our results accurate.   StrictlyPetSupplies.com   0 Store Reviews   $54.01 Go to Store Red Sea Co2 Reactor 500 If this item doesn't belong here, click Remove and help us keep our results accurate.   Underbid   0 Store Reviews   $66.42 Go to Store Are we missing a store? Let us know! Something wrong in this page? Let us know! Related products: More Red Sea CO2 Products Other CO2 Products internal use: spec438