Auto 2, the dwc one is showing either signs of Ca lockout or defeciency. For those that might not know what it looks like, sort of like rust. It is very slight, and only on a couple of leaves right now, so not too worried.
I doubt it is lockout, because my tap water is only 40-50ppm, so I doubt many ppms of Ca are in it. I was feeding with only 400-500ppm at ratios 1.5-6-10 of grow, micro, bloom, so that doesn't equal much Ca per gallon, so I'm thinking it isn't getting enough from the nutrients.
So, I either need to start with the full strength Lukas formula, right now I am doing half strength, or add cal-mag to my res, and I realise now that I shouldn't even use the organic calmag.
Another reason I doubt it is lockout, is because no signs of P or K deficiencies, which usually follow a Ca lockout. No any other signs at all. She is still drinking half gallon a day, or a little more.
Ph starts at 5.5 and raises to 6.8 after about 30 hours. I will start checking the ph when I wake up.
Feeding Watering
Critical is looking great again. I think I am getting this 100% perlite hempy figured out. Now, I follow a similar lukas formula. I give 500ppm or so of Miracle Grow tomato food, with ph of 5.8-6.0, then I water every day until I see some run off with just Ph water 5.8 and some drip clean. I water at the top edge, until I see some run off, which takes a little over a half gallon a day. I only use drip clean the day after I fed, then for the next two-three days, I water with just ph water. After that, I water again with Miracle grow. First I tip over the bucket, empty the res as much as possible, then I pour lots of miracle grow water 500ppm through. About 2-3 gallons, until I know the res is replaced.
She will be massive once I flower her.
The trunk isn't too impressive yet, but then again, she was vegged under the t5 for 30 days, and now 30 days under a 400w bulb that needs to be changed.
Auto 2, dwc, I am think I will start with full strength lukas formula and follow the rules. Or maybe just a tad weaker.
6mL Micro--12mL bloom--3mL calmag+ per gal, and 8mL h202.
Fill res up freshly, then top up with just water and h202, then ph to 5.5. I've only had to top up ever day with half a gallon, so I will top up with that until I reach 4 gallons, so if it only drinks half a gallon a day, then it will take topping off with ph water for 8 days before I fill the res again with fresh nutes.
That is what the lukas formula says to do, to top up until you reach the amount of water in your res.
1. Top off the reservoir daily using a pH corrected water solution as required to maintain full reservoir level. After adding back an amount of water equal to the amount of your reservoir capacity you should change the reservoir and put in fresh solution.
But you can also top up and keep the nutes the same by adding in some. However, with how strong the nutes start out do to the 8mL 16mL about 1400ppm-1600ppm, I can see the reason he said to top off with just ph water. This way they slowly get weaker, but I am unsure about putting in as much water as the res holds before putting nuts in again.
I guess as long as the ppms don't dip below 300, that would be fine. I think I will top off with water until I get to 300ppm or replace the amount of water in the res before adding more nuts, which ever comes first.
But still, I am afraid to bump to 8mL micro 16mL bloom per gallon. I am afraid to even go with 6ml and 12ml because it is an auto.