Like said before need better pics. I can see something at the top in the last pic but cant make it out. See if your camera has a mode for shooting up close.
2nd week of clones..wondering what this bright yellow is on the younger leaves ...my thought is Calcium/Iron/Sulfur/Zinc...the Ph of water is a bit high at 7.4...Also the water has quite a bit of calcium in it..
400Watts Floro
24hr
temp 78
humidity 30-40%
soil is potting mix of high quality...