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CaMg-Boost by Aptus Plant Tech is an organic calcium and magnesium supplement designed to compensate nutritional deficiencies in indoor and outdoor cannabis plants. It dissolves fully in water and reconstitutes reverse osmosis water efficiently and easily with just one container of the product. During the flowering phase, it enhances the structure and firmness of the buds.

Large sizes available upon request


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Type and Use

Calcium and Magnesium additive for solving deficiencies of these trace elements, reconstituting osmotized water and as a supplement to flowering fertilizers. Suitable for use in all substrates and automatic irrigation systems. It does not alter the pH of irrigation water.

Benefits in the Plant

  • Calcium and Magnesium are very important trace elements for plant growth. Calcium affects the hormones that regulate growth. It battles water stress and provides stability to the cell wall. Magnesium is part of chlorophyll and is essential to the photosynthetic process.
  • Calcium and Magnesium during flowering make the buds' structure firmer and improved, CaMg-Boost by Aptus Plant Tech provides the necessary Calcium and Magnesium for this period.
  • Contains amino acids that contribute to plant development.
  • Reconstitutes osmotized water to make it useful for plants.

Instructions and Dosage

  • As a supplement to flowering fertilizer

Mix 5ml of CaMg-Boost per every 10 liters of water

Use once a week from the 3rd to 5th week of flowering. Don't mix in the same irrigation with other additive products containing phosphorus, PK 13/14, Big Bud, Blossom Builder, etc. For example, you can use one product on Monday and another on Thursday.

  • To reconstitute reverse osmosis water, add CaMg-Boost to water until it reaches a value of 0.4 mS


Contains organically sourced nitrogen, calcium, and magnesium.

La Huerta's Opinion

CaMg-Boost by Aptus Plant Tech is an additive to be used along with a complete flowering fertilizer. For best yields, we recommend Aptus fertilizers.

Data sheet

Type of composition
Bio or organic
Growth stage
Type of stimulant or additive
Nutrtional complement
Type of grow
Aeroponic grow
Coco grow
Hydroponic grow
Soil grow

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