Red plants not keeping redish, CO2 problems?
I have a 55 gallon heavly planted thank with 2 T5 HO odyessa bulbs, dosing excel every other day and comprehensive once a week. I dont have any algae problems at all and my tank is crystal clear. However, I have notice a few of my plants that are meant to be red are not anymore or are turning less and less. I have some rotala wallachi that were red when I first purchased now are getting dull and the tips are actually turning green..? My Ludwig (sorry about my plant spelling btw) has almost all green leaves now and hardly any red on it anymore what so ever. Should I be doing a pressurized CO2 to help solve this problem or is my dosing off? My next item to purchase is going to be the pressurized CO2, just be nice to knock both out at once.