Find the lowest price for:       All ProductsAdditives & Supplements     0.0 (0)   Add a review Nutrafin PLANT-GRO CO2 Natural Plant System Activator & Stabilizer Ref...   CO2 Natural Plant System Replacement Parts Activator/Stabilizer Packets by Rolf C Hagen. Keep your Hagen CO2 Natural Plant System running at peak performance Have a question? Ask the Experts! Set Price Alert Compare Prices Product Spec Member Reviews Recommend to Friends Searched Nutrafin PLANT-GRO CO2 Natural Plant System Activator & Stabilizer Refill Pack 3pk in 150 stores, 6 results found Image Description   Store   Price PLANT GRO ACTIVITOR REFILL 108 If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $5.84 Go to Store Hagen Co2 Natural Plant System Activator Stabilizer 3 Pack If this item doesn't belong here, click Remove and help us keep our results accurate.   StrictlyPetSupplies.com   0 Store Reviews   $6.93 Go to Store Plant Gro Co2 Activator-Stabilizer Refill 3Pk. If this item doesn't belong here, click Remove and help us keep our results accurate.   Big Al's Online   0 Store Reviews   $8.29 Go to Store HAGEN NATURAL CO2 SYSTEM REFIL If this item doesn't belong here, click Remove and help us keep our results accurate.   Aquarium Center   0 Store Reviews   $9.99 Go to Store PLANT-GRO CO2 Natural Plant System Activator & Stabilizer Refill Pack, If this item doesn't belong here, click Remove and help us keep our results accurate.   MarineDepot.com   5 Store Reviews   $9.99 Go to Store Hagen Plant-Gro CO2 Nat. System - Activator-Stabilizer If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $11.2 Go to Store Are we missing a store? Let us know! Something wrong in this page? Let us know! Related products: More Nutrafin Additives & Supplements Other Additives & Supplements internal use: spec165 spec186 spec203