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yellow tips on new growth

Discussion in 'Sick Plants and Problems' started by Killachronic420, May 5, 2020.

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  1. #1 Killachronic420, May 5, 2020
    just started noticing the yellow tips on all the new growth, as well as some brown spots on random leaves. I am thinking it is simply a cal/mag issue. Any input would be greatly appreciated. Plants are in 69 degree during lights on 64 when lights are off. Soil is composed of organic compost potting soil vermiculite and peat moss. Have had no ph issues with anything the last month. Plants are 36 days old. Using led.
     
  2. #2 Killachronic420, May 5, 2020
    20200505_085909.jpg 20200505_085832.jpg
     
  3. #3 plazarz, May 6, 2020
    I believe I am having the exact same issue. Let it be known, this started when I cut my Cal/Mag back because a couple of my plants started to burn a bit harder than i was comfortable with on nitrogen. Next time I go to water, which will probably be another few days yet I am going to try putting my cal mag back to 4 ml per gallon instead of 3ml and see what happens. Here is a pic of what about 4-5 of mine are doing in the tent.
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  4. #4 Killachronic420, May 6, 2020
    Yepp ill definitely be on my way to grab some cal mag today!
     

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