Purple Punch Feminized - DWC

Went a little crazy this week. This is only my third grow. The second was better then the first but neither was what I would have expected or wanted. Both times I had to battle root rot issues, among other newbie issues mid-flower, even with hydroguard. There was many issues to deal with. During the first two grows, I've managed too resolve the room air filtration, which helped a bunch for peek day air temps. Today was 90+ degrees here today and the tent didn't go above 85 in the non-air-condition unattached garaged, vented out an exhaust pipe through the roof.. So that is working out better this time. I've also resolved my fertilization issues by learning how to read the ppm/ec to know where I am truly at. *This may help others, didn't expect it *Never had an issue with PH since I used PH Perfect nutes with an RO unit, until THIS grow. I replaced the RO filters and the ppm was too high and it has been a couple years. But lo and behold, this ended up being a downfall for me this grow. The filter replacement kit had a alkalizing filter to add back removed minerals, since this is also the family drinking water, I thought nice... But NO! This thing turned the PH all the way up to 8! For the first time I have had to use Ph Down.... A step I did not want to add into the mix. PH was above near or just above 7 for a bit. It's hard to tell from the pics since it has recovered but one of them had what I guessed to be Nitrogen Toxicity, which cued me in to looking at the PH in the first place. Lesson of the story, do not add and Alkaline filter or "remineralizer" to your RO system and expect the PH off your PH Perfect Nutes to be PH perfect :P Oh my. Lesson learned. I also decided to attempt to resolve the warm water issue. I had some reflective insulation left over from a green house i put together against the shed. Without adding anything and just using these, the water temp when from 82 to 78. Ok.. pretty nice, but after rotating freezer cooler packs in each, which need to be rotated around every 12 hours it seems. My temps are hovering around 69. Now that is a great improvement, but still not good enough, it needs to be at least a degree lower consistently. I should probably be filling these with water and not just the cooler packs.. hrmm.. During all this, a cord a hooked myself to snapped pp#3's neck, poor guy, had to go to the compost. Lastly, started LST on main cola. About 45degrees angle for each, away from strongest light source.