It might just be the strain. My room temps stay between 72 and 78, and my water temp is 65. I have two 70 watt HPS and two 20 watt floresent tubes. Total lumens are about 13,000, but my buds are dense. The top kola is 8 inches tall by 2.5 to 3.5 inches in diameter. The entire plant is 33 inches...