Fungus gnats! Just ran them through another h202 rinse and bath. Also poured a cup or so of 3% all throughout the hydroton on each bucket. When used correctly they absolutely love h202. I will add nutes back in 4 days for a week and then a flush. I rotate the plants every few days so it’s hard to tell you what’s what. The og kush are the two bigger bushy plants but I’ve lst so much on the two banana daddies that they are bushy also