Furry Freak Bro' Posted April 1, 2021 Share Posted April 1, 2021 Link to comment Share on other sites More sharing options...
ratdog Posted April 1, 2021 Share Posted April 1, 2021 it's damage to the leaf it's self, a pic of the whole plant would be helpful and your growing specs 3 Link to comment Share on other sites More sharing options...
Jehova Posted April 1, 2021 Share Posted April 1, 2021 check pH, leave looks quite dark too but check pH first of all. Link to comment Share on other sites More sharing options...
Guest Posted April 1, 2021 Share Posted April 1, 2021 26 minutes ago, Jehova said: check pH, leave looks quite dark too but check pH first of all. You don't even know what medium yet dude, bit premature maybe. Link to comment Share on other sites More sharing options...
Furry Freak Bro' Posted April 1, 2021 Author Share Posted April 1, 2021 Hi guys thanks for chiming in on this issue it's a weird one - it started when one of three plants had this orange stuff on their leaves a couple of weeks ago - I gave that one some more water and it seems to have recovered then suddenly today this orange stuff started appearing on the other two plants leaves - I suspected it was airborne and the humidifier I've got in there was spreading? The humidity usually hovers around 50% so I switched that off When I went to check the pH (it's 5.8 ) I noticed the water was down on the on the two plants that have just started showing symptoms - so I topped them up I thought it was some sort of airborne bug to start with but the first thing I did when I found it today was to tear the leaves off that were affected - I just have a look and where the leaves have been torn off the inner stem of the plant also looked orange!!! So it is coming from inside the plants the plants are sitting in these ceramic beads which are exactly the same colour as this gunk on the leaves! they are very old perhaps the roots are sucking the colour up from them? I think the first thing I'm gonna do tomorrow is get some new beads and change the water what do you guys think? Link to comment Share on other sites More sharing options...
Thai Stick Posted April 1, 2021 Share Posted April 1, 2021 lets start with this. What medium are you growing in, what are you feeding them and what kind of lighting are you using. 1 Link to comment Share on other sites More sharing options...
Furry Freak Bro' Posted April 1, 2021 Author Share Posted April 1, 2021 (edited) They're in DWC hydro - feeding 3 part lights 2 x 600w 3 foot above Edited April 1, 2021 by Joolz to remove spamazon links Link to comment Share on other sites More sharing options...
ratdog Posted April 1, 2021 Share Posted April 1, 2021 2 600's for those? led or hps? that's some overkill mate they look ok otherwise from a distance like 2 Link to comment Share on other sites More sharing options...
Furry Freak Bro' Posted April 1, 2021 Author Share Posted April 1, 2021 Can lights cause this gunk? I just realised that I was looking at the plants under the orange glow light - duh -I swear I hadn't twisted one up first! The plants are a bit bigger than in the photo so maybe the lights need moving - more like 2 foot now I think water change tomorrow and keep an eye on it. Link to comment Share on other sites More sharing options...
ratdog Posted April 1, 2021 Share Posted April 1, 2021 35 minutes ago, Furry Freak Bro' said: Can lights cause this gunk? Link to comment Share on other sites More sharing options...
Thai Stick Posted April 1, 2021 Share Posted April 1, 2021 (edited) How often are you changing out the water with fresh water and nutes? How much of each of the nutes are you feeding. Also, 1200w for such small space is waaaaay overkill. Edited April 1, 2021 by Thai Stick 2 Link to comment Share on other sites More sharing options...
Furry Freak Bro' Posted April 1, 2021 Author Share Posted April 1, 2021 Thai stick water change tomorrow! nutes 40ml grow, 20mm micro, 20ml bloom, per week 1 light is now off! Link to comment Share on other sites More sharing options...
Shumroom Posted April 1, 2021 Share Posted April 1, 2021 Just had a quick look at AN feeding calculator and it seems to suggest that the 3 parts should be used in equal quantities. Dunno if this relates to problem. Atb 1 Link to comment Share on other sites More sharing options...
photobat Posted April 1, 2021 Share Posted April 1, 2021 idk but your heater is almost touching the leaves, could that be drying the close leaves out in lights off period. are you keeping the nutes in the room with all that heat and light ? If so would be looking to store them somewhere cooler and dark. 2 Link to comment Share on other sites More sharing options...
Furry Freak Bro' Posted April 2, 2021 Author Share Posted April 2, 2021 9 hours ago, photobat said: idk but your heater is almost touching the leaves, could that be drying the close leaves out in lights off period. are you keeping the nutes in the room with all that heat and light ? If so would be looking to store them somewhere cooler and dark. good advice! BTW 10 hours ago, Shumroom said: Just had a quick look at AN feeding calculator and it seems to suggest that the 3 parts should be used in equal quantities. Dunno if this relates to problem. Atb I'm not using AN - the parts mix is right Link to comment Share on other sites More sharing options...
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