I just re read your whole thread TF, do you think there is a chance you damaged your roots with the 5ml of physan per gallon at the begining of the run?
It seems weird to me your ph was not going up or down, sometimes if burn/shock the roots they will turn brown and that can be mistaken for root rot..
Absolutely. I am certain that the Physan20 at that dosage, combined with the foam sticking the roots to the lids to dry out, was the biggest kick in the crotch that my girls had. 100% my fault. Although, I was already getting some slight funky smell from the tubs, so I feel that there was already rot of some sort. No mistake on the brown. There were a couple of spots on the bottom of the root mass, but the worst was in the net pot. You just grab the stalk, and it pulled right out of the pot. Rotten just under the crown.
That last pic is identical to my pics except that my leaves wernt taken off. It looks like the cube your plant was started in was sitting directly in the water.
I was told by physan20 staff to add 1 oz to 150 gallons of nute solution to prevent root rot. Never tried it tho.
i mean heat in the room bro but sure as hell a warm bucket is the major blow for sure.
It doesn't look the same to me. First the leaves are lighter between the veins. Then they started to turn purple/red, then die. Bottom of the plant, working it's way to the top.
The cube that it was started in was only a 1" cube. It was way above the water line. My net pots were only 1.5" submerged in the solution.
I think that the root of the evil has to do with inside the net pot. Down below, you have a an oxygen rich, solution that the roots swim in. You can pretty easily control the area there. Next, you have the net pot, which is not submerged by solution, creating a moist area that might be more conducive to rot proliferation. I know at this point that to sterilize the media, that it has to all be in contact with the fungicide. So that leaves you with a balance of trying to fight the rot by dousing the whole net pot with fungicide, but then you are also trying to keep the crown and base of the stem not water logged. I know that you say you run your top feed 24hrs a day. Do you place the drippers, as to not hit the cube itself, or are you saturating the cube?
Now, it also should be said, that all of the RDWC system styles that I have run across, seem to have a good potential for rot. The idea that has been brewing here is that the drainage pipes might harbor some sort of pockets of fungus or bacteria, that comes back even after a cleaning. I have had the luxury of my system being offline for a few weeks, so I have taken the liberty to flush 1 week straight a bleach and water solution, then the same on a Physan 20 solution. Hopefully that helps out for the next run.
And thank you DD for engaging in this discussion. As you know in any relationship, talking things out really helps everybody.
same thing happened to just one of my plants last run... room temps did not go over 82
I believe you, ale. Was that one plant possibly in a warmer spot in the room?
Air circulation good all around it? Seems odd if it is heat, that it would be only one. I have definitely seen people just lose one or a few. And then there's the ones who brick the whole thing. (me):worried
On to the future!
-TF