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MJ Spike

SKU: TL03016989

Plant-Prod MJTM Spike (CaMg) 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. No dye added formulation.


  • 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 crop advisor.


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  • About Plant-Prod

    Plant-Prod is the trading name of Master Plant-Prod Inc. with headquarters in Greater Toronto, Canada. The company has been in business since 1945 manufacturing high quality soluble fertilizers for growers of high value crops, including the horticultural industry, greenhouse vegetables and other growers with demanding requirements. Plant-Prod's mission is to provide best in the world soluble plant nutrition.

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