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Weird yellow leaves i cant find an answer to


Austin15
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Eucalipto
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My plants are starting to look like this.......they are on 24hrs of light in soil not started veg yet. Checked ph soil and its about 7.5 water is 7 and nuts are 6.5 I don't have an ec meter but any thoughts on problems please sprouted seeds were put in soil 2 weeks 4 days ago.. they have been looking very good until now....

Screenshot 20200710 090504 Gallery
IMG 20200710 085945
IMG 20200710 085858

 

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Macky
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OG
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is it just one plant or all of them mate? and why the big stones on top of the medium? 

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Austin15
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@mackyhey mate just a few plants mate not all of them the big stones I seen some others do to help keep moisture from evaporating from soil they are lime rock? I transplanted 4 days ago or so forgot to mention I run co2 candle.

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Macky
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OG
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Did you clean the stones well before putting them on top of the medium? if they are not clean they can wash into the medium and raise ph

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Austin15
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@macky grrr no I didn't I saw the powder and kept that out I even asked at the shop if the plants would absorb the lime and they said noo......should of trusted my instincts...do u think that will be my problem? Should I remove the limestone?

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Macky
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OG
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@austin15 I would mate, they are not needed and will cause more problems than they solve.... as you have seen

Take the stones off, and hopefully not too much washed into the soil. They should adjust and pic up after a few days mate, so dont panic just yet ; )

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Austin15
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@mackyoh sweet mate thanks ill throw them at the shop owner lol jks. Phew thanks so much. I'll get them off asap

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Austin15
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Do I need to cut those leaves off? Or would the colouration come back?

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Macky
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OG
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It might come back, but either way, leave the leaves on. If you take them off, the plants will start taking things from otehr parts of the plant. This leaf has been chosen lol, leave the plant to do its thing 

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Austin15
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@macky ok thanks heaps for your help m8 i will update in a few days. I'm sure I will have more questions Smile  

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