Both plant species can be grown successfully without CO2 in moderate light. Here is a 10 gallon with 2X13 watt CFL bulbs. I dose Seachem Flourish Comprehensive and Seachem Flourish Excel and do water changes one per week.
Pogostemon erectus (back left) and Cryptocoryne wendtii (by driftwood)
Last edited by Seattle_Aquarist; 02-10-2013 at 09:52 PM.