Because of popular consensus that my Coralife T5 HO with 2x54 watts is too high for the low-tech approach I initially wanted for my 55 gallon soon to be planted tank, I am considering CO2 even though i wanted to stay away due to the fact i know nothing about it. I saw the NutraFin CO2 Natural Plant System at Petco. Does anyone have experience with this? Do you think it will suffice at all or is it a total waste? Thanks.