they come in a white tub,"no mercy supply" brand. the guy who taught me to grow has been using them in his tank for years with great results?
rastaman79 Reviewed by rastaman79 on . co2 tablets? any one know how co2 tablets work? i think when they fizz in your tank they let off co2,now my friend seems to think that when they dissolve, the co2 bonds with the water, any one know how it works ? peace RM. Rating: 5