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The Alga Bloom flowering fertilizer is an organic product from Plagron for growing cannabis in soil substrate. Achieve a bountiful harvest of exceptional taste with this certified product for organic cultivation.


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Type and Use

Alga Bloom is a base fertilizer for use during the flowering phase of cannabis crops, developed by Plagron using organic compounds like seaweed extract. It's certified for use in organic farming, meeting EU regulations.

Plant Benefits

The seaweed extract used in creating this fertilizer contains natural hormones, such as cytokinins, that speed up cellular metabolism and increase bud volume, aroma, and taste.


NPK 3-2-5

  • Organic Nitrogen 3.3%
  • Phosphorus 2.3%
  • Potassium 5.4%
  • Seaweed extract
  • Beet Molasses
  • Amino acids

Usage and Dosage

Shake the container well and add up to 4 milliliters per liter of Alga Bloom to the irrigation water during the flowering phase. Use within 24 hours to avoid fermentation.

La Huerta's Opinion

Achieve the best possible results by combining it with the rest of the products from the 100% Natural range. You can purchase them all together with the Top Grow Box Bio kit from Plagron.

Data sheet

Type of composition
Bio or organic
Growth stage
Type of fertilizer
Fertilizer for flowering stage
Type of grow
Soil grow

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