HydroDawg421
Well-Known Member
Green Crack & Gush Mints strain using Air-Pots in hydroton. The plants look otherwise very healthy. I water for 10 minutes every 4 hours.
This presents as a CalMag problem (I think) but I add 30-50ml of CalMag + Iron to a 12-gallon reservoir when I change my nutes every 5-7 days. That being said I find it hard to imagine this is a CalMag deficiency. EC of 2.4 with 1100/1500 ppm's (500/700 scale). When I add that much CalMag, it spikes my EC to about 2.7 and I have to dilute it back down to 2.4. I also add 1 cup of hypochlorous acid when I mix a fresh batch of nutes. It's a food-safe disinfectant that doesn't change EC/ppm's or affect the Ph. It's essentially bleach without the bleach!
I'm growing in a 4x4 flood/drain using top feed that drains back to the reservoir. Using Jack's 321. The room is temp-controlled (78 degrees), temp at the plant tops is 80 degrees, and the lights are approx 18" above the tops, 60%-ish RH, running 1250ppm CO2. Water is chilled to 65 degrees. Ph is always between 5.8 - 6.2. VPD is .75 -1.0 typically.
I have 1 LED NextLight Mega Pro. I just raised it from 12" to 18". I guess this could be light burn?
I also have nothing in my well water. It comes back at .09 EC. It's literally just water
![IMG_5732.JPG](/data/attachments/4382/4382913-eb55b6c3187db16da199087ddda6d9df.jpg)
![IMG_5731.JPG](/data/attachments/4382/4382914-e11b5074996e487757cdb699060a8c5f.jpg)
![top-drip-hydroponic-system-diagram.jpg](/data/attachments/4382/4382915-a55a7f30d6bada491b50484d6d20633c.jpg)
This presents as a CalMag problem (I think) but I add 30-50ml of CalMag + Iron to a 12-gallon reservoir when I change my nutes every 5-7 days. That being said I find it hard to imagine this is a CalMag deficiency. EC of 2.4 with 1100/1500 ppm's (500/700 scale). When I add that much CalMag, it spikes my EC to about 2.7 and I have to dilute it back down to 2.4. I also add 1 cup of hypochlorous acid when I mix a fresh batch of nutes. It's a food-safe disinfectant that doesn't change EC/ppm's or affect the Ph. It's essentially bleach without the bleach!
I'm growing in a 4x4 flood/drain using top feed that drains back to the reservoir. Using Jack's 321. The room is temp-controlled (78 degrees), temp at the plant tops is 80 degrees, and the lights are approx 18" above the tops, 60%-ish RH, running 1250ppm CO2. Water is chilled to 65 degrees. Ph is always between 5.8 - 6.2. VPD is .75 -1.0 typically.
I have 1 LED NextLight Mega Pro. I just raised it from 12" to 18". I guess this could be light burn?
I also have nothing in my well water. It comes back at .09 EC. It's literally just water
![;)](/proxy.php?image=https%3A%2F%2Fforum.grasscity.com%2Fstyles%2Fdefault%2Fxenforo%2Fclear.png&hash=559e644bf2d5ef2f5544bbb7cef10f30)
![IMG_5732.JPG](/data/attachments/4382/4382913-eb55b6c3187db16da199087ddda6d9df.jpg)
![IMG_5731.JPG](/data/attachments/4382/4382914-e11b5074996e487757cdb699060a8c5f.jpg)
![top-drip-hydroponic-system-diagram.jpg](/data/attachments/4382/4382915-a55a7f30d6bada491b50484d6d20633c.jpg)