how often have you been watering them?

If you over water you may still have the same issues because of the minerals that is in the water. or like I said you have a def.

Do you have a pic we could look at?
pudder Reviewed by pudder on . seedling issues (color change) So I have 4 seedlings growing (1 is 9 days since planting, the others are 7). I noticed that their growth seems a little stunted compared to some photos online at their same stage. I noticed that the oldest one has slowly turned colors from a healthy kelly green into a more lime green. The leaves look basically healthy and the color change is uniform. The other seedlings are healthier looking, but I noticed their color is slowly changing as well. I took a pH reading of the soil and from the Rating: 5