How Much Cal/Mag for MY PKA Thanks!!!

bawse103

Active Member
Just purchased Botanicare Cal/Mag. How much should I use?
I know PKA is nute sensitive I want to play it safe!! :) Thanks!!!!!
on day 25.​
 

Sr. Verde

Well-Known Member
I use 5-14mL depending on how big the plant is.. R/O water, so devoid of nearly all cal/mag in the first place.

But for the most part I'd use at least 8mL and really not a whole lot more than 12.
 

bawse103

Active Member
Plant is 8" tall, Strain is PKA, which is nute sensitive. I use spring water ph 6.3. How often would you use it??? Thanks!!!!
 
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