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)
75 Gallon, 2X55W AH Supply CF 8800K, 1XMarineland Doublebright, 2X Marineland 350 Magnum; 45 Gallon Tall, 96Watt AH Supply CF 6700K; 30 Gallon Long; Fluval F&P 2.0 36"/46W; 20 Gallon, 1X26W AH Supply LED kit; all with Press. CO2; (Calcined) Montmorillonite Clay
Greater Seattle Aquarium Society (GSAS)
Last edited by Seattle_Aquarist; 02-10-2013 at 08:52 PM.