Vitamax Plus™

Vitamax Plus™ by Grotek

– Optimizes Growth –

Close-up of a small green plant sprout with fresh leaves emerging from the stem.

Key Benefits

  • A Boost of Essential Nutrients
  • Contains Mineral Chelates
  • Low Sediment for Hydroponic Growing 

Ammonium Nitrate, Magnesium Nitrate, Magnesium Sulfate, Potassium Nitrate, and Monopotassium Phosphate.

500ml, 1L, 4L, 10L, 23L

Propagation Vegetative Flower
Hydroponics Soilless (Peat/Coco)
Vitamax Plus™ by Grotek

Total Nitrogen (N) ………. 1.0%
Available Phosphate (P2O5) ………. 1.0%
Soluble Potash (K2O) ………. 2.0%
Magnesium (Mg) ………. 0.5%

Vitamax™ Plus should be added as part of a regular feeding program.
General: Mix 1−2 tsp per 1 gal of water (5−10 ml / 4 L) and soak soil/media with the solution.


Young Plants: Mix 2 tsp per 1 gal of water (10 ml / 4 L). Use weekly.
Vegetables or Herbs: Mix 2 tsp/gal (10 ml / 4 L). Use bi-weekly or more as needed.


Exotic Plants, Orchids or Cacti: Mix 1 tsp per 1 gal of water  (5 ml / 4 L). Use bi-weekly or more as needed.


Flowering: Mix 1 tsp per 1 gal of water (5 ml / 4 L). Use weekly.

Learn More about Vitamax Plus

Grotek Vitamax Plus™ is a beneficial addition to any fertilizer program, and is charged with nutrients to improve stem strength and root development and is an excellent addition to your regular feeding program.