Concerns with dwarf hair grass.
I'm trying to use dwarf hair grass as a carpet of sorts. I purchased 5 potted bunches of it with the intention of purchasing more when they become available again to fill out the rest of the front of the tank. The specimens all had very good looking roots and full folliage. I also noticed that they seemed to be budding at the top. I assume this is how they reproduce or something.(i'm obviously noob) Anyways I started noticing that on day 3 of being in my tank which was yesterday(monday.) Some of these grass strands were turning brown. It's a 29 gallon standard with 55 watts, a C02 system I purchased from the LFS, i'm also using 2 fertilizers. One that I believe to be a general all purpose fertilizer and one that specializes in Iron. I've read that I may need to purchase some stronger ferts online but in the meantime are there any obvious reasons the hair grass may be having difficulties? I'm hoping that the hair grass i recieved was just very full and simply looking to die back a bit but I'd really like to keep it green. Thanks for any help!