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Basics:
Hydro, Ebb & Flow - modified Multi-Flow Controller
Room: 12' x 10' x 8'
Lights: 4x 400W
Strains: 707 Headband, Sour Grape Haze, Hindu Skunk, Green Crack, AK2, GN1
Reserviour:
PH: 5.1-5.2
PPM: 1,180
TMP: 72F
Rockwool:
PH: 6.7-6.8
Room Temp: Min 62, Max 87
Room Humidity: Min 28, Max 63
Problems:
1. Approximately 2 weeks ago, the 707 Headband started showing signs of nutrient burn - the mid and upper level leaves were yelllowing at th edges. I flushed the system with RO Water for 36 hours, and then started with a lower strength nutrient solution.
I then noticed that all of the plants were having issues with the lower leaves, but the 707 was most impacted. The lower leaves were drying up (crispy dry) and falling off. For the most part the leaves would stay green, rarely yellowing. I was thinking possible nitrogen def due to PH lockout (Rockwool PH of 6.7-6.8). I adjusted the solution to be more acidic to balance it out.
Problem 2.
About 4 days ago, a Sour Grape Haze went from very healthy, to very sick. I've attached a picture from 4 days ago, and a picture from today.
Three days ago, one 707 Headband started getting sick as well.
Today, a Green Crack is getting sick.
Various pictures attached.
Problem 3.
About 3 weeks ago, I brought in a new batch of Hindu Skunk clones. It looks like those clones brought in spidermites. The mites have spread throughout the clones and into the GN1 & AK2. I've treated with miticide as well as a solution of diluted bleach. They also are showing continued issues with the lower leaves, despite healthy new growht.
I think I have the spidermites under control. I"m dousing them 1 - 2x daily. Any advice is always appreciated.
My biggest concerns are the first two problems. With problem 1, the plants are slowly getting worse. With problem 2, they spontaneiously get very sick, and go downhill FAST.
Please Help!
Hydro, Ebb & Flow - modified Multi-Flow Controller
Room: 12' x 10' x 8'
Lights: 4x 400W
Strains: 707 Headband, Sour Grape Haze, Hindu Skunk, Green Crack, AK2, GN1
Reserviour:
PH: 5.1-5.2
PPM: 1,180
TMP: 72F
Rockwool:
PH: 6.7-6.8
Room Temp: Min 62, Max 87
Room Humidity: Min 28, Max 63
Problems:
1. Approximately 2 weeks ago, the 707 Headband started showing signs of nutrient burn - the mid and upper level leaves were yelllowing at th edges. I flushed the system with RO Water for 36 hours, and then started with a lower strength nutrient solution.
I then noticed that all of the plants were having issues with the lower leaves, but the 707 was most impacted. The lower leaves were drying up (crispy dry) and falling off. For the most part the leaves would stay green, rarely yellowing. I was thinking possible nitrogen def due to PH lockout (Rockwool PH of 6.7-6.8). I adjusted the solution to be more acidic to balance it out.
Problem 2.
About 4 days ago, a Sour Grape Haze went from very healthy, to very sick. I've attached a picture from 4 days ago, and a picture from today.
Three days ago, one 707 Headband started getting sick as well.
Today, a Green Crack is getting sick.
Various pictures attached.
Problem 3.
About 3 weeks ago, I brought in a new batch of Hindu Skunk clones. It looks like those clones brought in spidermites. The mites have spread throughout the clones and into the GN1 & AK2. I've treated with miticide as well as a solution of diluted bleach. They also are showing continued issues with the lower leaves, despite healthy new growht.
I think I have the spidermites under control. I"m dousing them 1 - 2x daily. Any advice is always appreciated.
My biggest concerns are the first two problems. With problem 1, the plants are slowly getting worse. With problem 2, they spontaneiously get very sick, and go downhill FAST.
Please Help!