Leaf Curl?

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Leaves curled up at the ends thinking it was k problem. Wasnt able to get my normal dolomite lime powder. Instead got small granular. Which takes way longer to break down. Without cal and mag potash turns toxic. So flushed and then fed a organic cal mag with light nutes. Using neptunes harvest fish formula, ff big bloom, molases. Buds look nice as hell and not seeming stunted any. They are curled about an quarter of an inch just tips though. Perfect circle though. Day 55. Will take pics in morning.
 
Are they green or yellow..Could be heat related? have to wait till you get some pictures up.
 
Green. Will get some pics in the morning. Stays 75 to 78 degrees day and 65 to 70 night. Rh is 60% almost always or very claose. Grow room is not the suspect so much. Seen iron and cal mag issues which lead to K being locked out but that was hydro. Will post some so you can see. Seems to have slowed a little since I fed. Def seems like a lock out though of some sort. Dont usually run into this one. Only thing different is the lime.
 
This is my problem.

Hey here is a picture.
 

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Almost looks to me like you might be feeding a little to hot?
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Possible but have been feeding third strength. Run off ph was 5.6 before leaching. Cal and mag become almost not available in soil at that ph. Was just reading about plant ph omptimal uptake and lockout chart and the uptake of cal and mag is very important. Corrected the runoff to 6.5 and fed 1/8 strength nutes. Keeping my temps 75 degrees, was up close to 80.
 
Possible but have been feeding third strength. Run off ph was 5.6 before leaching. Cal and mag become almost not available in soil at that ph. Was just reading about plant ph omptimal uptake and lockout chart and the uptake of cal and mag is very important. Corrected the runoff to 6.5 and fed 1/8 strength nutes. Keeping my temps 75 degrees, was up close to 80.

so your ph is still 6.5 in and 6.5 run off? and sorry if you said all ready but what are nutes are you using again?

Rough Calculation Guide:

Here's some good info on ph.....
If your runoff pH is higher than your starting pH, use this equation to determine your soil pH:*
Soil pH = Runoff pH + Difference

If your runoff pH is lower than your starting pH, us this equation:
Soil pH = Runoff pH - Difference.

For example, say your the starting pH of your solution before it goes in is 6.5 and the pH of your runoff is 7.0. The difference is +0.5, so using the above equation:
Soil pH = 7.0 + 0.5*
Soil pH = 7.5

If your starting pH is 6.5 and your runoff is 6.0, your difference is -0.5 and using the above equation:
Soil pH = 6.0 - 0.5
Soil pH = 5.5
 
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