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Sigh....Is this Cal mag defficiency?

drakkenox

New member
boro and head were definitely steering you right - thats NOT ca deficiency i've seen it a hundred times it's a compound deficiency caused by pH instability CaMg will prolly not fix it as those elements may not increase the availability of the nutrients that are deficient I am sure those plants have long since been aced... but in the future try to water in coco 6 to 6.2 and you shouldn't have that (I have seen it develope in DWC and Aero at 6.2 so shoot for 5.5-5.9
 

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