System: 12-Bucket DWC - Hydro. (6) FS - LED’s, Clay Pebble medium. Modified buckets re-routed air supply w/6" air stones fed w/commercial air handler. Auto A/C, (3) auto Humidifiers, (4) 16" rotatable fans in each corner. Auto Heater and commercial de-humidifier.
Nutrients: Fox Farm Trio-blend, Fox Farm Sledgehammer, General Hydro Ph up & Ph Down.
Background: First Grow, some initial germination issues with bad seeds resulted in varied growth cycles. Extended Vegetative stage (2) two weeks to allow for slower growth to catch up. Entered Flower stage first of October through light cycle switch.
ISSUE: I’m entering week three of the Flower stage and I noticed one of my best growers go droopy. So through research and some immediate testing showed a huge spike in PPM’s across the board resulting in 2000’s. I realize this is bad since the Ph shot up as well up to 6.45. At first they also needed water so I just gave them water and adjusted the PH to 6.0. This seemed to help the droopy pick back up.
I keep checking every few days and the PPM’s are not coming down and the PH spiked again. I also start seeing the signs of Nutrient Burn. a couple leaf tips start to discolor slightly. So I Freak Out! I immediately do a completed flush one bucket at a time and reset every bucket to a Ph of 6.0 and PPM of 1000 to 1200.
Today is the day after the flush and the PPM’s are under control but I had to PH down to 6.0 on every bucket. They all spiked again to 6.45. So droopy is picking back up but several of them seem to be in a recovery state (just not as perky looking).
So here is where I need your HELP.
Have I taken the right steps to correct this?
Are my Ph and PPM levels good for my type grow?
I am a first timer who is learning some lessons the hard way, but since there is so much information out there I am not sure of the best levels etc.
I really could use your professional help and advice, comments and suggestions.