Help didnt buffer my coco coir brick

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Gastheblast

Well-Known Member
Hi yall not sure what to do now im in week 2 since flip 12/12 and im noticing some magnesium deficiency. Some of the plants are in canna they are looking good but some are in coco coir bricks wich i didnt know i had to buffer. What can i do to remedy this situation?
 
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Autopilot@2020

Member
And a double dose of cal mag and also get 100% Epsom salt mix 1 tsp to 1 gal of water and use as a foiliar spray I went through the same problems and this fixed it within a week or so. Coco naturally bonds to magnesium and calcium and locks it out from the roots so basically flush the coco medium with a double dose of cal mag and use the spray then hakunamata
 
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