HYDRO my plants are dying. the solution to the problem will help everyone

[borimagrower]

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​ Hello everyone ! I have grown our favorite plants for more than 10 years, like the last few already professionally.I mostly grown in soil, but now I use hydroponics. Until now I used the HPS with success in the indor. I decided to try this time Led lighting.The lamp is 1600 watts full spectrum. I mention this because it may be a possible cause of the problem. Until the third week everything was ok until something suddenly began to happen with the leaves of the plants. At first I thought of a food problem. Symptoms resembled potassium deficiency, although I have a diet plan and I use good fertilizers. For greater security I made a new solution by washing the roots. there was no improvement. The next step was to raise the lamps up. As I watch how this will affect them today I noticed that I also hаve a spyders. this is a curse. Attach photos to make it .

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[gbauto]

Need some info on the grow-environmentals, nutrients, strain your running.
Looks like a serious nutrient problem-don't know if it's because of a lock-out situation because of no details.

 

[D.A.A.S.69]

Hello, don't know much about hydro, but that one plant looks like bad spider mites, got to her, man those are nice plants too.
If it's mites, I sure hope you get that problem fixed ,quickly, They can be hell, sometimes, an come right back.
But like gbauto says, need more information.