Other Plant-Prod MJ Cannabis Fertilizer Products

Plant-Prod MJTM Spike (CaMg) Cannabis Fertilizer

  • USA

Plant-Prod MJTM Spike (CaMg) cannabis fertilizer has been specifically formulated to meet the high demands of cannabis plants throughout the entire production cycle. This fully chelated supplemental formulation provides ample amounts of calcium and magnesium in a desirable 2:1 ratio.


The absence of nitrogen, phosphorus and potassium allows the use of this formulation at any stage of production without the risk of encouraging vegetative growth when undesired. Ideal for use with reverse osmosis (RO) or city water when calcium and magnesium levels are usually low.


  • Use as a supplemental feed of calcium and magnesium
  • Limit use to 1 – 2 times per week
  • Requirement and rate to be determined following water analysis
  • Reduce rate for younger plants
  • Not compatible with other Plant-Prod MJTM products, consult your Plant-Prod sales representative

No Dye Added formulation.

Guaranteed Minimum Analysis
Calcium (Ca)5.4%
Magnesium (Mg)2.7%
Chelating Agents
EDTA (Ethylene diamine tetraacetate)71.3%
Other Plant-Prod MJ Cannabis Fertilizer Products