Could be that your plants are over watered. Try flooding 2-3 x/day vs 5. This post was 4 years ago so i'm sure you've solved this problem, if not giver a try and let me know how everything went.
Could be that your plants are over watered. Try flooding 2-3 x/day vs 5. This post was 4 years ago so i'm sure you've solved this problem, if not giver a try and let me know how everything went.