COBs, Blumats, Mega Crop, and Mephisto

Humidity controller set @72% rh Temp controller set @ 78° VPD: 8-9 (consistently in this range) These are very healthy looking and growth has been very vigorous. They are on schedule to topping @4th node by Day18-20. DAY 17 Gave each a supplemental feed of Liquid Karma to help minimize the effects of topping. All are very healthy, vigorous and thriving under 22k lux. Lush and happy. DAY 19 Topped all 3 girls after the 4th node. One also lost a large fan leaf. Added PK Boost to res @1.25g/gal. Handwatered 21oz each to give a boost of P and K at the start of the stretch/flowering stage. It's reported to increase flower sites. We'll see.