Find Reviews and Compare Prices 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? Just Ask! Member Reviews Compare Prices Product Spec Send to a friend Set Price Alert Searched Red Sea CO2 Reactor 500 in 150 stores, 2 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.   Amazon.com   2 Store Reviews   $39.99 Go to Store Co2 Reactor 500 If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $51.99 (used) Go to Store You can also search these stores   Find this product on eBay   eBay   5 Store Reviews   Search on eBay 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