A wet environment tends to stay much warmer than a dry one. Wet soil might be too warm. People tend to use heating pads for cloning because it appears that 76 degrees F seems to be a good temp to help roots develop. However, in warm weather this may not be necessary. Ocean Forest is probably too much fert for seedlings. There is potting soil out there just for seedlings. But you'd have to transplant into fert soil when roots are established.