Need some advice on dying seedlings..

downhill21 said:

Accurate PH is essential. Start there, right now.

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xtsho said:

Nobody else noticed bugs? Am I that stoned?

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TheWholeTruth said:

I would defo take xtsho's advice and check for bugs. But it also looks like serious mould issues. Cut all those moldy leaves off, treat them and get them in separate pots. You may just save them. I have noticed something similar to what you have said about the plants being all wet. In my case it was when the lights would come on. What I worked out was the temperatures dropping at night would cause the humidity to precipitate and cause water all over the plants. As the lights warmed up the room again the water would evaporate into the air. This on that grow caused mould problems just like yours. So you need to sort your humidity out and cover any open sources of water and stabalize and control your day and night temps. Oh and get plenty of fresh air being replaced in the room.

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JediMindTrickss said:

Hi all as the title states in having some issues with my plants, This is my first Hydro grow after a couple of years of successful soil growing. Everything was going fine until a 2 days ago when I noticed that some of the plants leaves we're yellowing, turning crunchy and shiny in some spots spots. Nothing was changed since starting the grow except adding extra light, a small fan and a repositioning of the humidifier, I noticed that my plants we're wet one morning when I woke up about 4 days ago. I think it may have been due to the change in the positioning of the humidifier and the fan. I have since moved both so they are not directly blowing on the plants, but I think the damage may already have been done. I think they may be dying due to a mold issue on the leaves or the PH of the water, My PH meter isn't working properly so I have just been using plain tap water which has been left out over night to evaporate the chlorine out until I can get some litmus paper or a new meter. The plants were looking good prior to this and I am just wondering if high PH can cause these problems or if it is another issue such as mold. If anyone has any ideas or advice it would be greatly appreciated. Both buckets are DWC systems which were being misted from the bottom until roots emerged from the baskets about a week ago. Then I added water to the buckets and a medium air stone in each, The roots then took off and have been growing well, I have not started using any nutes yet, One bucket has rockwool cubes in hydroton and the other only has hydroton and neoprene collars. Its been 17 days since they were germinated and transplanted. The first set of pictures were taken 5 days ago (Sorry for the lighting) and the rest were taken today . TIA.

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Southernontariogrower said:

My ph meter was lying to me, its not old or anything, back to the liquid test for me. Then l know for sure what my ph is. Should never of bought ph pen, made me lazy. Ive been suffering through low ph and thats my call on your plants. Good luck with your grow.

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Southernontariogrower said:

Everytime l grow in dwc l get rootrot. I plant it in promix hp m. They dont skip a beat, full recovery. I find soilless soils so much easier. I suck at dwc!

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