Flora Series



In stock


In stock


In stock


In stock


In stock

SKU: MGHFloraSeri Categories: ,


Flora Series™ is the most widely used hydroponic fertilizer in the world because it is the best!

  • GH Flora Series™ is the original Building-Block Nutrient System – imitated but never duplicated
  • Contains complete Primary, Secondary and Micro Nutrients – for enhanced yields and better crop quality
  • Users can adjust mixtures to suit specific plant needs
  • Enhances flavor, nutrition, aroma and essential oils in both hydroponic and soil cultivated plants
  • Contains highly purified concentrates for maximum solubility
  • pH balanced for ease of use
  • NASA and Antarctic research scientists choose Flora Series — because of its superior formulation and reliability
  • The General Hydroponics Flora Series is known throughout the world as the industry standard

Flora Micro® Hardwater

If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use Flora Micro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original Flora Micro with Flora Micro Hardwater to create a perfect Micro blend for your plants.

Flora Micro®

The foundation of the “Building-Block” System, Provides Nitrogen, Potassium, Calcium, and trace elements.

Flora Gro®

Stimulates structural and vegetative growth. Builds strong roots. Provides Nitrogen, Phosphorous, Potassium, and secondary minerals.

Flora Bloom®

Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high Phosphorous, Potassium, Magnesium, and Sulfur.

Click here for the handy Flora SeriesPPM calculator


General Hydroponics


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