Find the lowest price for:       All ProductsTesting Equipment     5.0 (1)   Add a review pH and CO2 Controller with Select Set Point   So your planted tank has the best lighting available, and your plants still won't grow? What could be going on? Most likely, your tank is not producing enough CO2 to keep up with your plants' needs. A CO2 controller... Have a question? Ask the Experts! Set Price Alert Compare Prices Product Spec Member Reviews Recommend to Friends Searched pH and CO2 Controller with Select Set Point in 150 stores, 4 results found Image Description   Store   Price pH and CO2 Controller with Select Set Point If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $117 Go to Store Smart pH Controller - SMART PH/CO2 CONTROLLER If this item doesn't belong here, click Remove and help us keep our results accurate.   Petsolutions   0 Store Reviews   $129.99 Go to Store pH and CO2 Controller with Select Set Point If this item doesn't belong here, click Remove and help us keep our results accurate.   That Fish Place That Pet Place   3 Store Reviews   $139.99 Go to Store Milwaukee Instruments pH Controller If this item doesn't belong here, click Remove and help us keep our results accurate.   Big Al's Online   0 Store Reviews   $139.99 Go to Store Are we missing a store? Let us know! Something wrong in this page? Let us know! Related products: More Milwaukee Testing Equipment Other Testing Equipment internal use: spec417