southpaw wrote in
:

Thanks for the responses. Yeah I kind of figured that for a tank this
small CO2 of any kind is bordering on overkill. Bottom line, the

Consider Flourish Excel by Seachem as an alternative. It is an organic
carbon compound and substitutes for CO2 in photosynthesis. It will not
affect your pH and will not harm your fish if you dose appropriately. A
500 ml bottle should last you a good while and give your plants the boost
you're after.