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, 1XFluval F&P 2.0 48"/59W, 2X Marineland 350 Magnum filters; 45 Gallon Tall, 96Watt AH Supply CF 6700K, 1X Marineland 350 Magnum filter; 30 Gallon Long; Fluval F&P 2.0 36"/46W, Marineland C-220 filter; 20 Gallon, 1X26W AH Supply LED kit, Marineland C-160 filter; all with Press. CO2 and (Calcined) Montmorillonite Clay
Greater Seattle Aquarium Society (GSAS)
Last edited by Seattle_Aquarist; 02-10-2013 at 08:52 PM.