Bright spots on leaves

[Aetheru]

Hi guys, got this killer kush, its in fourth week and have no idea why this spots are here. Light is 40cm away so I dont think its light burn. Checking ph of water putting in only and drops show 6. As nutrients im using plagron coco a+b, sugar royal, pure zym and power roots given from plagron table. Sadly i dont have ec meter so cannot check that. Any idea whats the problem?

 

[Aetheru]

Shit for some reason i cannot upload pictures

 

[harrychilds]

any pics dude?

 

[Aetheru]

 

[Aetheru]

 

[Aetheru]

any pics dude?

Added

 

[hotrodharley]

Magnesium deficiency and likely calcium as well. Predictable at this stage. I’d foliar feed cal mag one time. Then add to your next feeding.

 

[ProPheT 216]

Yea, lights on make it hard to tell. But probably cal deficency, cal facilitates the uptake of everything except Nitrogen and Potassium

Cal mag might be a good idea. I would again slurry test my soil to know if it's ph, lockup, or straight deficency

 

[ProPheT 216]

No ec meter I would only feed ¾ recommended strength. You probably have lockout do to left over nutrients, and now your ph might b off as a result also. Take a cup, fill it with half soul from the pot, half 7.0 water. Stir for a minute, pour out the water and test it

 

[xtsho]

Should be plenty of ca and mg in those nutrients. One part has calcium nitrate as the first ingredient followed by magnesium nitrate. The other part has magnesium sulfate as the first ingredient. That's after water.

I'd just use the Plagron Coco A&B and none of the other stuff.

 

[Aetheru]

I ordered calmag will try that. I would like to keep nutrients as they are since i get calculated table from plagron

 

[Aetheru]

Yea, lights on make it hard to tell. But probably cal deficency, cal facilitates the uptake of everything except Nitrogen and Potassium

Cal mag might be a good idea. I would again slurry test my soil to know if it's ph, lockup, or straight deficency

I dont understand how will i found out if its ph, locked nutrients or deficency?

 

[ProPheT 216]

If you take a cup and fill it ¼ with soil then another ¼ of 7.0 water, stir or shake. Then test that water. If the ec is drastically higher then your feed ec you have potential lockout do to left behind nutrients. If the ph is way off you have uptake problems, in turn causing left behind salts from nutrients, left over salts affect ph. See where this is going... If neither of those you need to feed more.

 

[ProPheT 216]

Should of ordered a ec meter instead.

Should be plenty of ca and mg in those nutrients. One part has calcium nitrate as the first ingredient followed by magnesium nitrate. The other part has magnesium sulfate as the first ingredient. That's after water.

I'd just use the Plagron Coco A&B and none of the other stuff.


View attachment 5145387

Listen to him

It's a you thing you need to solve.

Now I think it's how you water... can you describe when and how much you water

 

[Aetheru]

I water around 1,5 liter per 2 day to make wet whole coco and have around 20% of run off from that. Just get ec meter and checked i have 1,7 ms from run off water. On royalqueenseeds if i understood it properly thats right amount so im not sure if nutes are problem

 

[ProPheT 216]

Do you check your ph after you mix nutrients? What ph do you feed at?

 

[Aetheru]

5,5-6