I need some help!

Drumin

Active Member
My setup:
2 - 600watt HPS
AC unit keeps room below 75 degrees
Chiller that keeps my temps no higher than 73 at worst but normally about 70.
Dutchmaster Gold series nutes
R/O water
PH is swings between 6.0 and 5.5
PPM has been from 800 building up to 1900 over a 2 week period.
I use a little less than the max amount of DM "Zone" and DM "Silica"

I'm growing Blue Rhino, Grape Krush x Blueberry and White Widow.

So here's the deal. I've been a soil grower for a few years with excellent success. I decided to go Aeroponics and build a system. It consists of 10 - 5gal buckets with a feed and return. The pump sits in the res and sends water/nutes to the manifold which sends pressurized solution to each bucket. In each bucket is a smaller manifold with 4 jets attached. then the solution flows out the return hoses into the res.
OK
So, my first grow was relatively successful but I think I pruned them too hard which caused some slow growth. But it turned out marginally better (albeit WAY quicker) than the same number of plants in soil.
My second grow was a complete disaster. The veg nutes had gone bad somehow and it basically poisoned the root system and killed all but 2 plants. Those 2 were stunted and produced about 4 ounces total.
This is my third grow and I'm having issues with slow growth and signs that look like deficiency.

Everything seems to me to be perfect but the plants are not responding well.
Only one is (a WW) is just now starting to pick up it's growth but the other 9 are showing signs of deficiency and are growing very slowly. WTF?
Last night I added a 3/4 dose of Hygrozyme.

These picks were taken on 6/17/2009
I'll take new ones today at lights out.
 

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My setup:
2 - 600watt HPS
AC unit keeps room below 75 degrees
Chiller that keeps my temps no higher than 73 at worst but normally about 70.
Dutchmaster Gold series nutes
R/O water
PH is swings between 6.0 and 5.5
PPM has been from 800 building up to 1900 over a 2 week period.
I use a little less than the max amount of DM "Zone" and DM "Silica"

I'm growing Blue Rhino, Grape Krush x Blueberry and White Widow.

So here's the deal. I've been a soil grower for a few years with excellent success. I decided to go Aeroponics and build a system. It consists of 10 - 5gal buckets with a feed and return. The pump sits in the res and sends water/nutes to the manifold which sends pressurized solution to each bucket. In each bucket is a smaller manifold with 4 jets attached. then the solution flows out the return hoses into the res.
OK
So, my first grow was relatively successful but I think I pruned them too hard which caused some slow growth. But it turned out marginally better (albeit WAY quicker) than the same number of plants in soil.
My second grow was a complete disaster. The veg nutes had gone bad somehow and it basically poisoned the root system and killed all but 2 plants. Those 2 were stunted and produced about 4 ounces total.
This is my third grow and I'm having issues with slow growth and signs that look like deficiency.

Everything seems to me to be perfect but the plants are not responding well.
Only one is (a WW) is just now starting to pick up it's growth but the other 9 are showing signs of deficiency and are growing very slowly. WTF?
Last night I added a 3/4 dose of Hygrozyme.

These picks were taken on 6/17/2009
I'll take new ones today at lights out.
Its possible Water is to hard or plants are retaining to much nutrients. Keep air circulated really good. Try a mild 50ppm flush between nute changes. Its also possble the ph is off and the plants are unable to receive the right nutes. Or watering to much. All sighn ponint to a salt build up or nute lockout.
 
Its possible Water is to hard or plants are retaining to much nutrients. Keep air circulated really good. Try a mild 50ppm flush between nute changes. Its also possble the ph is off and the plants are unable to receive the right nutes. Or watering to much. All sighn ponint to a salt build up or nute lockout.
I'm using R/O water.
I'm in Aero so I'm not sure what the 50ppm flush is for...
I keep the PH between 5.5 and 6.0
Watering too much? I'm in aeroponics with a timer that runs the solution to the plants on for 1:20 minutes, off for 40 minutes -rinse and repeat.
 
I'm using R/O water.
I'm in Aero so I'm not sure what the 50ppm flush is for...
I keep the PH between 5.5 and 6.0
Watering too much? I'm in aeroponics with a timer that runs the solution to the plants on for 1:20 minutes, off for 40 minutes -rinse and repeat.
Try Changing the timer somthing like on for 2 min every 6 min.
 
yea 40 mins off could be your problem.

Another problem could be over water if your using rockwool does not work well with aeroponics.

Or maybe your pump is not strong enough to pump water for 40 sprayers

if you got the money invest in a 1 min on 4 min off NFT timer.

-----------------------------------

I run a really similar system, but bubbleponics instead of aeroponics. I dont have to worry about the sprayers clogged or pump failing. But 4 oz off 2 stunted plants is very impressive :)!

i yield about 3-5 oz off each 5 gallon bucket doing Bubble DWC.
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Can you post more pics of your system? i'm very interested
 
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