Sul-Po-Mag?

Thats not meant for potted plants .It has way to much sulfur in it.
 
Alright thanks for the response

It might be hard to find a nute with those numbers but you should use a nute with a higher phos content for weed anyway.If your not using organic nutes miricle grow has a 15/30/15 water soluble nute that used in smaller doses works well for the flower stage.
 
I appreciate the tip dude but I'm using Indonesian bat guano, molasses, and kelp meal at the moment. Was using peruvian seabird too but dropped it because the soil Im using this time already had a decent n percentage. I'm just looking for something else to boost my k ratio, like greensand.
 
Go lightly on using this compound because all 3 elements are water soluble and it's the Magnesium (Mg) that you should be aware of given the problems associated with uber levels.

There are 2 ways to use this - add to your soil mix which I would not recommend. The other is to dissolve this with clear water and apply to your soils. 1/2 oz. to 1 gallon is generally safe and even then I can't see where an application more than 2x in an 8 week cycle would be helpful - probably the opposite.
 
Sulfur is slow acting and takes at least a month to be effective, often longer. It also lowers pH so be careful as over time it could push your pH to low, creating a new set of issues to deal with.
 
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