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Need help from the masters

ghuser113

Member
Ok I'm growing in bcuzz soil and was running gh go box and am now running canna Tera line and started getting this
 

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Magnesium...if your using RO start using 2Ml per gallon of the GH organic CAMG+ every watering.
Right now Foliar feed with growers Epsom salts at 1tsp per gallon. Use a wetting agent.
 

Walt Jabsco

Member
But what is the root cause of the uptake problems xtree?

From the limited information provided I think it's pH problems friend.

Picture one looks to be suffering from interveinal chlorosis amongst other things. likely from an iron deficiency caused by high soil pH.

but on the other hand picture three looks to be necrosis and bronzing of an older leaf caused from low pH.
just sort of thinking out loud here.
 

Granger2

Active member
Veteran
Do you mean Gen. Organics Go Box? Whatever it was, why'd you change if it was working well? Couldn't have been cuzza price. Are you using the entire line w/additives, at something close to feed chart strength? Are you checking pH of nute mix, or runoff. Do you know the pH of your soil mix? Do you use plain water ever? What's your water like? Do you water/feed to at least 10% runoff, then allow them to dry out between waterings till pots are considerably lighter when lifted? Good luck. -granger
 
Magnesium controls chlorophyll if the plants are lacking the plant won't work. The soil stays wet causing root issues. General organics CaMg+ is what I use because the calcium is not derived from ammonium nitrate nor is the magnesium from ammonium instead a carbonate. I want calcium not nitrogen. If you use it 1.5mls a gallon every time, you replace the chemical balance that would be found in really good water. Which is 140-150ppms. Use that for all nutes...advanced botanicare heavy 16 etc. on OG's or sealed rooms with lots of light and co2 your gonna want to add sweet raw at full strength or bud candy to give the extra added magnesium. When you top off your res add the 1.5 of CaMg+ every time. Just as if you were refilling with great Tap water. At week 6 drop too 100ppm cal mag water. Week 7 to flush cut it out completely. I find this works best for me. I have studied just cal mag for over a year now. Cheers
 
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