I bought two of these. They were very well established, and healthy looking. The plants had great color. These are nice in the foreground, and easier than some other small plants. The substrate on which they are planted is actually quite thick, and I had some trouble getting them to look like they belonged in the substrate. Due to this, I will probably buy potted hairgrass next time, as I think they will also spread faster. These would be great if you bought enough to totally fill in a space, though, which I did not do. The tank is 75 gallons with four T8 bulbs that are 5000K and 6500K. I dose twice a week with Flourish and every other day with Excel. I have Eco complete substrate. The water is soft and acidic and the tank is kept at about 70 degrees. There is no CO2 system.