rotala macranda

I'm planning a 29-gallon planted aquarium, and I want to know what the best options I have for a light that can grow practically anything. I picked up a Seaoura from Amazon that's around 22 watts and I'm just thinking I made a mistake if I wanted to do something high intensity. If my math is...

hy. last days i have some problems with Rotala Macrandra and R Macrandra narrow leaf. problems is that the old leaves get some sort of green . or it gets green spots. I increased the magnesium dose in the idea that there might be a deficit. i increase dosage of ferts but no result,the plant...