Nute burn or heat stress or ...? *pics*

RyaNayR

Well-Known Member
I think the guy a couple posts above was right on with the combination of problems idea.

Good luck with the sexing, and hopefully the problems are solved for good.
 

vespa17

Well-Known Member
4 females, woohoo! So only 2/6 were male and only 1/5 hashberry from wwms was male (the other male was bagseed).:hump:
 

WaRpIg

Well-Known Member
Potassium (K) Toxicity
Usually not absorbed excessively by plants. Excess potassium can aggravate the uptake of magnesium, manganese, zinc and iron and effect the availability of calcium.
Magnesium

Magnesium is a component of the chlorophyll molecule and serves as a cofactor in most enzymes.
Magnesium (Mg) deficiency.
Magnesium deficiency will exhibit a yellowing (which may turn brown) and interveinal chlorosis beginning in the older leaves. The older leaves will be the first to develop interveinal chlorosis. Starting at leaf margin or tip and progressing inward between the veins. Notice how the veins remain somewhat green though as can be seen in figure 15.
Notice how in Figure 16 and 17 the leaves curl upwards like they're praying? They're praying for Mg! The tips may also twist.
This can be quickly resolved by watering with 1 tablespoon Epsom salts/gallon of water. Until you can correct nutrient lockout, try foliar feeding. That way the plants get all the nitrogen and Mg they need. The plants can be foliar feed at ½ teaspoon/quart of Epsom salts (first powdered and dissolved in some hot water). When mixing up soil, use 2 teaspoon dolomite lime per gallon of soil.
If the starting water is above 200 ppm, that is pretty hard water, that will lock out mg with all of the calcium in the water. Either add a 1/4 teaspoon per gallon of epsom salts or lime (both will effectively reduce the lockout or invest into a reverse osmosis water filter.
Mg can get locked-up by too much Ca, Cl or ammonium nitrogen. Don't overdo Mg or you'll lock up other nutrients.
Figure​
 

Stealing

Well-Known Member
This is definatly nute burn.. try adjusting the ph of your hydroponic solution, and lower the nutrients you add to it..
 

ItsSaturday

Well-Known Member
here are some updated pics.
:hump:
Just curious. Did you get the kit from Caligrowkits... looks a lot like the one I got. The nutes that came with it fucked everything up for me first time around... If you are using those nutes "the blue shit that looks like miricle grow" trash them and get something better...
 
Top